Glass Very

Glass Very




VERY RARE Vintage FENTON Glass Lamps DAISY  FERN Cranberry Glass 3 WAY
VERY RARE Vintage FENTON Glass Lamps DAISY FERN Cranberry Glass 3 WAY
$210.50 (28 Bids)
Time Remaining: 2d 22h 6m

VERY RARE Peggy Karr Glass Necklace Orchid w original paperwork
VERY RARE Peggy Karr Glass Necklace Orchid w original paperwork
$74.99
Time Remaining: 5d 10h 17m
Buy It Now for only: $74.99

Hawaii Glass Paper Weight Very Pretty
Hawaii Glass Paper Weight Very Pretty
$7.00
Time Remaining: 11d 12h 33m
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2 VERY NICE KOSTA BODA ART GLASS VERY PRETTY PAPERWEIGHTS
2 VERY NICE KOSTA BODA ART GLASS VERY PRETTY PAPERWEIGHTS
$13.50 (6 Bids)
Time Remaining: 17h 17m

Murano ART GLASS PURSE Black White Swirl Clutch Vase 7 x 7 Handbag VERY LOVELY
Murano ART GLASS PURSE Black White Swirl Clutch Vase 7 x 7 Handbag VERY LOVELY
$35.00
Time Remaining: 29d 19h 26m
Buy It Now for only: $35.00

Very Rare Murano Glass Rostrati Vase by Ercole Barovier c 1930s Large 12 pounds
Very Rare Murano Glass Rostrati Vase by Ercole Barovier c 1930s Large 12 pounds
$4,995.00
Time Remaining: 50m

Very Rare Chalet Glass Orange Uranium Spike Vase Signed and Stickered Mint
Very Rare Chalet Glass Orange Uranium Spike Vase Signed and Stickered Mint
$194.90
Time Remaining: 26d 21h 57m
Buy It Now for only: $194.90

Very Rare Matched Pair Murano Glass Crepuscolo Lamps by Ercole Barovier 1930 40s
Very Rare Matched Pair Murano Glass Crepuscolo Lamps by Ercole Barovier 1930 40s
$5,995.00
Time Remaining: 45m

Very Rare Chalet Glass Orange Uranium Crossarm Vase Signed Mint
Very Rare Chalet Glass Orange Uranium Crossarm Vase Signed Mint
$155.92
Time Remaining: 26d 22h 55m
Buy It Now for only: $155.92

Vintage Very Early Loren Stump Taxi Lampwork Glass Bead Car Signed Murrini
Vintage Very Early Loren Stump Taxi Lampwork Glass Bead Car Signed Murrini
$208.00
Time Remaining: 25d 16h 7m
Buy It Now for only: $208.00

large studio art glass pear with controlled bubblesvery nice bout 675 x 35
large studio art glass pear with controlled bubblesvery nice bout 675 x 35
$2.00 (1 Bid)
Time Remaining: 3d 22h 55m

Murano Art Glass Tropical Fish Aquarium Sculpture Very Colorful 5 x 6 x 2
Murano Art Glass Tropical Fish Aquarium Sculpture Very Colorful 5 x 6 x 2
$135.00
Time Remaining: 27d 15h 50m
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Fenton Dusty Rose Pink Cased Glass Apple Paperweight Very Scarce
Fenton Dusty Rose Pink Cased Glass Apple Paperweight Very Scarce
$39.00
Time Remaining: 6d 21m
Buy It Now for only: $39.00

A Very Unique Murano Art Glass 7 1 2 Vase Controlled Bubbles Cobolt Blue
A Very Unique Murano Art Glass 7 1 2 Vase Controlled Bubbles Cobolt Blue
$85.00
Time Remaining: 25d 23h 23m
Buy It Now for only: $85.00

Kitras Art Glass Amethyst Hanging Witch Ball 7 Inch Very Nice Bubbles
Kitras Art Glass Amethyst Hanging Witch Ball 7 Inch Very Nice Bubbles
$29.99
Time Remaining: 11d 18h 6m
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Sydenstricker Fused Art Glass Very Large 14 Platter Plate Irises
Sydenstricker Fused Art Glass Very Large 14 Platter Plate Irises
$29.00
Time Remaining: 11d 11h 7m
Buy It Now for only: $29.00

VINTAGE MURANO ART GLASS BOTTLE DECANTER GOLD YELLOW GLASS VERY NICE
VINTAGE MURANO ART GLASS BOTTLE DECANTER GOLD YELLOW GLASS VERY NICE
$14.50
Time Remaining: 27d 12h 23m
Buy It Now for only: $14.50

Murano Art Glass Very Large Pair Of Cenedese Clown Very Rare And Unusual Signed
Murano Art Glass Very Large Pair Of Cenedese Clown Very Rare And Unusual Signed
$295.00
Time Remaining: 21d 14h 18m
Buy It Now for only: $295.00

Very Large 23 Handmade Art Glass Marble Classic Latticino Andy Davis w Stand
Very Large 23 Handmade Art Glass Marble Classic Latticino Andy Davis w Stand
$39.99
Time Remaining: 10d 1h 5m
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RUBY GLASS VERY LARGE WINE JUG NEW LOW PRICE MORETTI ESTATE SIGNED AND UNIQUE
RUBY GLASS VERY LARGE WINE JUG NEW LOW PRICE MORETTI ESTATE SIGNED AND UNIQUE
$75.00
Time Remaining: 6d 21m
Buy It Now for only: $75.00

Jellyfish Vase hand blown glass very nice
Jellyfish Vase hand blown glass very nice
$100.00
Time Remaining: 11d 13h 7m
Buy It Now for only: $100.00

ST CLAIR JOE GLASS VERY DARK EMERALD GREEN TWO SWAN TOOTHPICK HOLDER
ST CLAIR JOE GLASS VERY DARK EMERALD GREEN TWO SWAN TOOTHPICK HOLDER
$14.99
Time Remaining: 16h 26m
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Murano Hand Blown Glass Very Heavy Vase 12 Tall
Murano Hand Blown Glass Very Heavy Vase 12 Tall
$145.00
Time Remaining: 24d 14h 16m
Buy It Now for only: $145.00

Pilgrim Glass VERY RARE Violet Waterer W Label
Pilgrim Glass VERY RARE Violet Waterer W Label
$150.00
Time Remaining: 7d 20h 19m
Buy It Now for only: $150.00

MURANO LORRIANE ART GLASS VERY LARGE BIRD SWAN DUCK OPEN BOWL BRIGHT ORANGE
MURANO LORRIANE ART GLASS VERY LARGE BIRD SWAN DUCK OPEN BOWL BRIGHT ORANGE
$69.99
Time Remaining: 4d 11h 11m
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Concetta Mason Glass Sculpture very rare
Concetta Mason Glass Sculpture very rare
$1,850.00
Time Remaining: 28d 10h 51m
Buy It Now for only: $1,850.00

Glass S Glass figurine very elaborate quite fanciful the letter S
Glass S Glass figurine very elaborate quite fanciful the letter S
$11.11
Time Remaining: 24d 22h 43m
Buy It Now for only: $11.11

Very Rare TITTOT Glass Sculpture Happiness  Longevity w 3cm THICK slab base
Very Rare TITTOT Glass Sculpture Happiness Longevity w 3cm THICK slab base
$171.00
Time Remaining: 16d 17h 38m
Buy It Now for only: $171.00

VERY RARE FENTON GLASS BURMESE 7 PC HP WATER SET BESIDE THE STILL WATERS
VERY RARE FENTON GLASS BURMESE 7 PC HP WATER SET BESIDE THE STILL WATERS
$695.00
Time Remaining: 3d 13h 57m
Buy It Now for only: $695.00

Michele Luzoro Studio Art Glass Very Large Perfume Bottle with Aventurine
Michele Luzoro Studio Art Glass Very Large Perfume Bottle with Aventurine
$349.00
Time Remaining: 23d 17h 58m
Buy It Now for only: $349.00

VERY LARGE HAND BLOWN GLASS ART BOWL VASE ITALIAN STYLE END OF DAY GLASS
VERY LARGE HAND BLOWN GLASS ART BOWL VASE ITALIAN STYLE END OF DAY GLASS
$599.00
Time Remaining: 24d 23h 16m
Buy It Now for only: $599.00

SINCLAIRE GLASS BOOKENDS VERY RARE ANTIQUE 1900s SIGNED SCHREWSBURY MUSEUM SALE
SINCLAIRE GLASS BOOKENDS VERY RARE ANTIQUE 1900s SIGNED SCHREWSBURY MUSEUM SALE
$1,400.00
Time Remaining: 24d 23h 27m
Buy It Now for only: $1,400.00

Very Nice Correia Art Glass Tall Blue Necked Bud Vase Artist Signed
Very Nice Correia Art Glass Tall Blue Necked Bud Vase Artist Signed
$129.95
Time Remaining: 7d 22h 52m
Buy It Now for only: $129.95

Very Nice Correia Art Glass Blue  White Striped Letter Opener Artist Prototype
Very Nice Correia Art Glass Blue White Striped Letter Opener Artist Prototype
$129.95
Time Remaining: 7d 23h 42m
Buy It Now for only: $129.95

Blue Art Glass Vase  Very Colorful  Exquisite Miniature
Blue Art Glass Vase Very Colorful Exquisite Miniature
$14.99
Time Remaining: 6d 21h 52m

VINTAGE MURANO ART GLASS VERY LARGE FLOWER DESIGN BOWL
VINTAGE MURANO ART GLASS VERY LARGE FLOWER DESIGN BOWL
$169.99
Time Remaining: 21d 22h 48m
Buy It Now for only: $169.99

CZECHOSLOVAKIA ART GLASS VERY UNIQUE FIGURE OF A BOWLER EXCELLENT SEE SCAN
CZECHOSLOVAKIA ART GLASS VERY UNIQUE FIGURE OF A BOWLER EXCELLENT SEE SCAN
$115.00
Time Remaining: 11d 9m
Buy It Now for only: $115.00

VERY RARE FENTON ART GLASS 13 FARM SCENE VASE DESIGNED BY KIM BARLEY 2 5
VERY RARE FENTON ART GLASS 13 FARM SCENE VASE DESIGNED BY KIM BARLEY 2 5
$300.00
Time Remaining: 8d 22h
Buy It Now for only: $300.00

Vintage very colorful art glass vase very unique hand made well made 9 high
Vintage very colorful art glass vase very unique hand made well made 9 high
$225.25
Time Remaining: 2d 15h 47m
Buy It Now for only: $225.25

Very nice art glass epergne horn 10
Very nice art glass epergne horn 10
$39.95
Time Remaining: 22d 15h 22m
Buy It Now for only: $39.95

ST CLAIR JOE GLASS VERY DARK COBALT BLUE OLD WITCH TOOTHPICK HOLDER
ST CLAIR JOE GLASS VERY DARK COBALT BLUE OLD WITCH TOOTHPICK HOLDER
$14.99
Time Remaining: 16h 26m
Buy It Now for only: $14.99

Very Nice Art Glass 7 1 2 Swimming Blue Dolphin Original USA
Very Nice Art Glass 7 1 2 Swimming Blue Dolphin Original USA
$20.99
Time Remaining: 26d 1h 24m
Buy It Now for only: $20.99

VINTAGE GLASS VASE VERY LIGHT PURPLE TINT ESTATE COLLECTIBLE 725 TALL
VINTAGE GLASS VASE VERY LIGHT PURPLE TINT ESTATE COLLECTIBLE 725 TALL
$15.00
Time Remaining: 7d 10h 20m
Buy It Now for only: $20.00

VERY NICE MOTTLED ART GLASS HAND BLOWN 5 1 2 TALL PITCHER W BROWN HANDLE
VERY NICE MOTTLED ART GLASS HAND BLOWN 5 1 2 TALL PITCHER W BROWN HANDLE
$25.00
Time Remaining: 26d 20h 20m
Buy It Now for only: $25.00

FABULOUS LARGE GLASS FORGE STUDIOS ART GLASS BOWL VERY COOL PATTERN 12 NR
FABULOUS LARGE GLASS FORGE STUDIOS ART GLASS BOWL VERY COOL PATTERN 12 NR
$9.99
Time Remaining: 3d 22h 49m

Very Nice Faceted Pink Glass Heart Paperweight FS
Very Nice Faceted Pink Glass Heart Paperweight FS
$14.00
Time Remaining: 2d 16h 8m
Buy It Now for only: $14.00

Very Nice Correia Art Glass Pulled Feather Ladies Broach Artist Prototype
Very Nice Correia Art Glass Pulled Feather Ladies Broach Artist Prototype
$59.95
Time Remaining: 7d 23h 43m
Buy It Now for only: $59.95

Very Nice Correia Art Glass Lunar Moon Ladies Broach Artist Prototype
Very Nice Correia Art Glass Lunar Moon Ladies Broach Artist Prototype
$59.95
Time Remaining: 7d 23h 44m
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Fancy Art Glass Paperweight Very Beautiful
Fancy Art Glass Paperweight Very Beautiful
$24.99
Time Remaining: 1d 2h 5m
Buy It Now for only: $24.99

Art Glass Paperwight Very Colorful Estate Item
Art Glass Paperwight Very Colorful Estate Item
$6.00
Time Remaining: 10d 21h 3m
Buy It Now for only: $6.00

Very Nice Art Glass Color Swirl Studio Vase Signed R Lielt 1991
Very Nice Art Glass Color Swirl Studio Vase Signed R Lielt 1991
$27.99
Time Remaining: 20d 16h 16m
Buy It Now for only: $27.99

VERY COOL BLOWN GLASS BAG A REAL MUST SEE
VERY COOL BLOWN GLASS BAG A REAL MUST SEE
$9.99
Time Remaining: 26d 15h 53m
Buy It Now for only: $9.99

Very large frosted glass vase bowl with leaf design
Very large frosted glass vase bowl with leaf design
$129.99
Time Remaining: 25d 16h 28m
Buy It Now for only: $129.99

VERY RARE FENTON GLASS PASTEL GREEN SWIRL 3 PC VANITY SET 1954 SPECIAL
VERY RARE FENTON GLASS PASTEL GREEN SWIRL 3 PC VANITY SET 1954 SPECIAL
$395.99
Time Remaining: 18d 16h 59m
Buy It Now for only: $395.99

Murano Art Glass Italian Very Rare Toothache  Clown Great Piece
Murano Art Glass Italian Very Rare Toothache Clown Great Piece
$150.00
Time Remaining: 12d 21h 38m
Buy It Now for only: $150.00

33 HAND BLOWN GLASS SCULPTURE DIRWOOD END OF DAY GLASS VERY BOLD COLORS
33 HAND BLOWN GLASS SCULPTURE DIRWOOD END OF DAY GLASS VERY BOLD COLORS
$1,199.00
Time Remaining: 24d 11h 15m
Buy It Now for only: $1,199.00

VERY NICE MOTTLED ART GLASS HAND BLOWN 4 PITCHER RIBBED HANDLE
VERY NICE MOTTLED ART GLASS HAND BLOWN 4 PITCHER RIBBED HANDLE
$16.96
Time Remaining: 14d 23h 35m
Buy It Now for only: $16.96

Glass Bowl Sculpture Very Unique and Multi Colored
Glass Bowl Sculpture Very Unique and Multi Colored
$90.00
Time Remaining: 22d 16h 16m
Buy It Now for only: $90.00

Extra Large Murano Very Colourful Fused Murrine Glass Vase with Metal Stand
Extra Large Murano Very Colourful Fused Murrine Glass Vase with Metal Stand
$4.47 (3 Bids)
Time Remaining: 4d 10h 53m

Hand Painted Small Drinking Glass VERY OLD
Hand Painted Small Drinking Glass VERY OLD
$11.99
Time Remaining: 17d 21h 4m
Buy It Now for only: $11.99

HAND BLOWN GLASS TALL VASE MADE IN ITALY RARE TL STICKER VERY PRETTY
HAND BLOWN GLASS TALL VASE MADE IN ITALY RARE TL STICKER VERY PRETTY
$33.00
Time Remaining: 1d 20h 29m
Buy It Now for only: $45.00

Heavy Art Glass Duck Very Nice
Heavy Art Glass Duck Very Nice
$14.95
Time Remaining: 20d 23h 24m
Buy It Now for only: $14.95

Very Large Blue Swirl Glass Bowl 12 X 12 X 7 3 4
Very Large Blue Swirl Glass Bowl 12 X 12 X 7 3 4
$59.95
Time Remaining: 6d 21h 4m
Buy It Now for only: $59.95

LARGE HAND BLOWN GLASS ART BOWL DIRWOOD END OF DAY GLASS VERY BRIGHT COLORS
LARGE HAND BLOWN GLASS ART BOWL DIRWOOD END OF DAY GLASS VERY BRIGHT COLORS
$379.00
Time Remaining: 18d 22h 37m
Buy It Now for only: $379.00

VERY LARGE 18 HAND BLOWN GLASS ART FLUTED BOWL VASE BLUE PURPLE RED AQUA GOLD
VERY LARGE 18 HAND BLOWN GLASS ART FLUTED BOWL VASE BLUE PURPLE RED AQUA GOLD
$799.00
Time Remaining: 29d 22h 32m
Buy It Now for only: $799.00

VERY RARE NEW ENGLAND GLASS PLATED AMBERINA ART GLASS TUMBLER c 1886 MINT
VERY RARE NEW ENGLAND GLASS PLATED AMBERINA ART GLASS TUMBLER c 1886 MINT
$2,450.00
Time Remaining: 25d 20h 28m
Buy It Now for only: $2,450.00

Very Large Murano Art Glass Signed Roberto Cammozzo Polychrome Fish
Very Large Murano Art Glass Signed Roberto Cammozzo Polychrome Fish
$1,195.00
Time Remaining: 5d 19h 24m
Buy It Now for only: $1,195.00

Very Rare FENTON Art Glass Vintage Oscar the Lion Red Opalescent warwaggon222
Very Rare FENTON Art Glass Vintage Oscar the Lion Red Opalescent warwaggon222
$65.00
Time Remaining: 1d 14h 31m
Buy It Now for only: $65.00

very nice glass shoe color gold
very nice glass shoe color gold
$4.99
Time Remaining: 2d 21h 25m

Very Large Fused Glass Plate Iridized Tree on Black Base 15
Very Large Fused Glass Plate Iridized Tree on Black Base 15
$145.00
Time Remaining: 15d 19h 42m
Buy It Now for only: $145.00

Very Old Heavy Purple Glass Urn Vase w Double Clear Glass Handles
Very Old Heavy Purple Glass Urn Vase w Double Clear Glass Handles
$82.99
Time Remaining: 24d 21h 9m
Buy It Now for only: $82.99

Very Rare Murano Art Glass Signed Oscar Zanetti Pair Of Manta Rays On Stand
Very Rare Murano Art Glass Signed Oscar Zanetti Pair Of Manta Rays On Stand
$1,200.00
Time Remaining: 17d 18h 7m
Buy It Now for only: $1,200.00

Crystal Glass Basket Very Heavy 7 Tall 5 Wide
Crystal Glass Basket Very Heavy 7 Tall 5 Wide
$20.99
Time Remaining: 11d 22h 52m
Buy It Now for only: $20.99

Large pink vase blown glass very pretty
Large pink vase blown glass very pretty
$50.00
Time Remaining: 8d 18h 58m
Buy It Now for only: $50.00

vintage blown glass clown very colorful about 12 inches tall
vintage blown glass clown very colorful about 12 inches tall
$42.00
Time Remaining: 27d 17h 42m
Buy It Now for only: $42.00

VERY RARE FENTON ART GLASS 2015 THANKSGIVING SQUARE VASE BY ROBIN SPINDLER 2 7
VERY RARE FENTON ART GLASS 2015 THANKSGIVING SQUARE VASE BY ROBIN SPINDLER 2 7
$180.00
Time Remaining: 8d 22h 1m
Buy It Now for only: $180.00

Fenton Handmade Opalescence Glass Vase Very Pretty and Detailed with Sticker
Fenton Handmade Opalescence Glass Vase Very Pretty and Detailed with Sticker
$69.00
Time Remaining: 19d 15h 19m
Buy It Now for only: $69.00

Irredecent glass Tikis Very Rare and Very Vintage
Irredecent glass Tikis Very Rare and Very Vintage
$25.00
Time Remaining: 3d 23h 55m

Very Nice Art Glass Multi Colored Stretched Glass Cornucopia Ashtray Dish
Very Nice Art Glass Multi Colored Stretched Glass Cornucopia Ashtray Dish
$12.99
Time Remaining: 19d 10h 13m
Buy It Now for only: $12.99

Fancy Art Glass Paperweight Very Beautiful And Fancy
Fancy Art Glass Paperweight Very Beautiful And Fancy
$24.99
Time Remaining: 1d 2h 5m
Buy It Now for only: $24.99

DURAND ART GLASS VASE VERY RARE DECORATION SIGNED
DURAND ART GLASS VASE VERY RARE DECORATION SIGNED
$2,295.00
Time Remaining: 6d 15h 43m
Buy It Now for only: $2,295.00

TALL STEMMED VERY THIN GLASS VOTIVE HOLDERS TWISTED STEMS MARBLED COLORS
TALL STEMMED VERY THIN GLASS VOTIVE HOLDERS TWISTED STEMS MARBLED COLORS
$19.95
Time Remaining: 24d 14h 48m
Buy It Now for only: $19.95

Murano Glass Bowl very large Art Glass Swirls Red To Orange
Murano Glass Bowl very large Art Glass Swirls Red To Orange
$60.00
Time Remaining: 28d 20h 57m
Buy It Now for only: $60.00

Very Large Blue Art Glass Sommerso label signed  Beranek Handmade Paperweight
Very Large Blue Art Glass Sommerso label signed Beranek Handmade Paperweight
$95.00
Time Remaining: 19d 12h 6m
Buy It Now for only: $95.00

Lenox Solid Glass Applevery Heavy
Lenox Solid Glass Applevery Heavy
$15.00
Time Remaining: 25d 19h 45m
Buy It Now for only: $15.00

Very Rare BLENKO Art Glass 1930S Pre Designer Green Mini Pitcher Creamer 3570S
Very Rare BLENKO Art Glass 1930S Pre Designer Green Mini Pitcher Creamer 3570S
$144.44
Time Remaining: 4d 1h 31m
Buy It Now for only: $144.44

Lot 3 Fenton Art Glass Very White Hobnail Cat Slipper Shoe
Lot 3 Fenton Art Glass Very White Hobnail Cat Slipper Shoe
$12.00
Time Remaining: 19d 16h 43m
Buy It Now for only: $12.00

Very Fine Millefiori Art Glass Embedded Shot Glass
Very Fine Millefiori Art Glass Embedded Shot Glass
$95.00
Time Remaining: 1d 17h 35m
Buy It Now for only: $95.00

Very Nice Amber Glass Bow Pattern Small Glass Slipper
Very Nice Amber Glass Bow Pattern Small Glass Slipper
$5.00
Time Remaining: 10h 4m
Buy It Now for only: $5.00

Very Nice Art Glass Green Ribbed Vase
Very Nice Art Glass Green Ribbed Vase
$6.00
Time Remaining: 2d 9h 37m
Buy It Now for only: $6.00

Very Nice Art Glass Amber Glass Bud Vase
Very Nice Art Glass Amber Glass Bud Vase
$9.50
Time Remaining: 5d 15h 6m
Buy It Now for only: $9.50

Very Nice Vintage Clear Glass Hazel Atlas Bottle with porcelain Stopper H
Very Nice Vintage Clear Glass Hazel Atlas Bottle with porcelain Stopper H
$24.99
Time Remaining: 7d 9h 57m
Buy It Now for only: $24.99

Very Nice Steuben Art Glass Threaded  Bubble Motif Center Bowl
Very Nice Steuben Art Glass Threaded Bubble Motif Center Bowl
$87.50
Time Remaining: 10d 13h 15m
Buy It Now for only: $87.50

Vintage Clear Glass Paperweight Very Beautiful Flower
Vintage Clear Glass Paperweight Very Beautiful Flower
$18.99
Time Remaining: 7d 54m
Buy It Now for only: $18.99

Very Nice 5 Glass Candy Shape Candle or Trinket Holder
Very Nice 5 Glass Candy Shape Candle or Trinket Holder
$16.95
Time Remaining: 17d 1h 41m
Buy It Now for only: $16.95

Very Nice Verlys Art Glass Dragonfly Centerpiece Charger Bowl Signed 13 11 16
Very Nice Verlys Art Glass Dragonfly Centerpiece Charger Bowl Signed 13 11 16
$99.99
Time Remaining: 15d 17h 32m
Buy It Now for only: $99.99



Das Beer Boot Music Video





Glass Very

Glass..................................?

Is glass a good insulator of heat?
I want the real answer....
I do not want hear any explanation. I'm only care the answer only.

Citing the numbers from Wolfram Alpha:
Thermal conductivity:
Glass (window): 0.96 w/(m K)
Glass (fiberboard): 0.0361 w/(m K)
Steel: 47 w/(m K)
Wool: 0.049 w/(m K)
Air: 0.02578 w/(m K)

So: yes, glass is a decent insulator, but fibreglass is better. Anything that traps air is a good insulator.

Glass Very