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Kovels' Antiques & Collectibles Price List 




Insulators

Insulators of glass or pottery have been made for use on telegraph or telephone poles since 1844. Thousands of different styles of insulators have been made. Most common are those of clear or aqua glass; most desirable are the threadless types made from 1850 to 1870.

Click Item to View Prices. These items are part of the online price guide and not for sale.


Name      
Category Pattern or Item Description Year Priced
Insulators Aa
Mossy Blue-green
1996
Insulators Aa
Side Wire Groove, Double Petticoat, Threaded, Milky Fizzy Aqua
2005
Insulators Agree
Purple
1996
Insulators Am Tel Tel Co
No. 121, Dome Emb
2004
Insulators Am Tel Tel Co
No. 121
2004
Insulators Am Tel Tel Co
No. 121, Dome Emb, Strong Amber Swirl
2004
Insulators Am Tel Tel Co
No. 121, Green
2004
Insulators Am Tel Tel Co
No. 121, Purple
2004
Insulators American
Green Aqua
1995
Insulators American
Side Wire Groove, Double Petticoat, Threaded, Yellow Green
2005
Insulators American Ins Co
Light Blue, Embossed Base
1998
Insulators American Insurance Co
Green Aqua, Crude
2001
Insulators American Telegraph Telephone Co
No. 121
1999
Insulators American Telegraph Telephone Co
No. 121
2001
Insulators American Telegraph Telephone Co
No. 121, Purple
1999
Insulators American Telegraph Telephone Co
No. 121, Blue Aqua
2001
Insulators American Telephone
Dark Green, Amber Swirls
1996
Insulators American Telephone
No. 110, Purple
2001
Insulators American Telephone
No. +010, Light Blue Aqua
2002
Insulators American Telephone
No. 1881, Light Blue Aqua, Embossed Base
2002
Insulators American Telephone Telegraph
Aqua
1997
Insulators American Telephone Telegraph
Yellow Green
1997
Insulators American Telephone Telegraph
Light Jade Green
1998
Insulators American Telephone Telegraph
Aqua
1997
Insulators American Telephone Telegraph
Yellow Green
1997
Insulators American Telephone Telegraph Co
Aqua
2000
Insulators American Telephone Telegraph Co
Aqua
2002
Insulators American Telephone Telegraph Co
Aqua, Micro Bubbles
2000
Insulators American Telephone Telegraph Co
Jade Milk
2000
Insulators American Telephone Telegraph Co
Purple
2000
Insulators American Telephone Telegraph Co
Aqua, Small Bubbles
2002
Insulators Armstrong
Dp1, Light Green
1996
Insulators Armstrong
Root Beer, Amber
1996
Insulators Armstrong
No. 122, Clear
1999
Insulators Armstrong
Whitall Tatum, Salesman Sample, Clear
2001
Insulators Armstrong
51-c3, Red Amber, Smooth Base
2003
Insulators Armstrong
No. 217, Root Beer Amber
2004
Insulators Armstrong
No. 272, Dark Red Amber
2004
Insulators Armstrong
No. 512u, Saddle Wire Groove, Double Petticoat, Smooth Base, Clear
2007
Insulators Armstrong
Pedestal Base, Salesman Sample, Clear
2007
Insulators At T
Aqua
1995
Insulators At T
Aqua
1995
Insulators B
No. 103, Deep Blue Aqua
2004
Insulators B
No. 145, Deep Yellow Green, Slag & Bubbles
2004
Insulators B G M Co
Purple
1996
Insulators B O
No. 136, Light Blue
2004
Insulators B O
No. 136, Light Blue, Embossed
2004
Insulators B O Railroad
Ice Green, Pat.dec. 19, 1871
1997
Insulators B O Railroad
Ice Green, Pat.dec. 19, 1871
1997
Insulators B T C
Aqua, Canada
1995
Insulators Beehive
Aqua, Swirls, Chunk Of Milk Glass In Side, Montreal Telegraph
2001
Insulators Beehive
Light Straw Color, Canada
2001
Insulators Beehive Shape
Lime Green, Hemingray, Large
2001
Insulators Bell System
New York, Cobalt Blue, Bell Shape
2001
Insulators
Purple
1996
Insulators Blobs Inside
Flatdome, Aqua Blue, Bubbles & Swirls, Canada, 1860s, 3 1/2 In.
2001
Insulators Boston Bottle Works
Aqua, Pat. Oct. 15, 1972, Barrel
1998
Insulators Brookfield
Aqua
1996
Insulators Brookfield
Emerald Green, New York
1996
Insulators Brookfield
Small Spiral, Aqua
1996
Insulators Brookfield
Cauvet's, Ice Green, 1865
1997
Insulators Brookfield
No. 31, Blue Aqua
1997
Insulators Brookfield
B & O, Aqua
1995
Insulators Brookfield
Dark Green, Amber, Rear Aqua
1995
Insulators Brookfield
No. 9, Aqua
1995
Insulators Brookfield
Emerald Green, Yellow Swirls
1998
Insulators Brookfield
No. 3, Transposition, Dark Blue-aqua
1998
Insulators Brookfield
No. 9, Blue, Bubbles & Snow
1998
Insulators Brookfield
No. ++9, Aqua, Light Snow Flurry
1999
Insulators Brookfield
No. +36, Aqua
1999
Insulators Brookfield
No. 102, Aqua
1999
Insulators Brookfield
No. 145, Teal, Amber Streaks
1999
Insulators Brookfield
X On Top, Threaded Inside
2000
Insulators Brookfield
No. 100, Yellow Green
2001
Insulators Brookfield
No. 133, Light Aqua
2001
Insulators Brookfield
No. 020, Dark Green
2002
Insulators Brookfield
No. 020, Deep Green Aqua, Amber Twist
2002
Insulators Brookfield
No. 030, Yellow Green
2002
Insulators Brookfield
Cauvets, No. 131, Light Aqua
2004
Insulators Brookfield
No. 121, Aqua, Amber
2004
Insulators Brookfield
No. 164, Dark Yellow Green
2004
Insulators Brookfield
No. 20, Side Wire Groove, Single Petticoat, Threaded, Amber, Green Aqua
2005
Insulators Brookfield
No. 20, Side Wire Groove, Single Petticoat, Threaded, Aqua
2005
Insulators Brookfield
No. 20, Side Wire Groove, Single Petticoat, Threaded, Dark Aqua
2005
Insulators Brookfield
No. 31, Side Wire Groove, Single Petticoat, Aqua
2006
Insulators Brookfield
No. 38, Side Wire Groove, Double Petticoat, Green Aqua
2006
Insulators Brookfield
No. 31, Side Wire Groove, Single Petticoat, Aqua
2007
Insulators Brookfield
Side Wire Groove, Single Petticoat, Green Aqua, Amber Swirls
2007
Insulators Brookfield
W.u.t., Side Wire Groove, Single Petticoat, Amber Swirls
2007
Insulators Bt Co
No. 102, Royal Purple, Canada
2004
Insulators Bt Co Of Canada
Montreal, Clear
2001
Insulators Bt Co Of Canada
No. 102, Royal Purple
2001
Insulators Bt Co Of Canada
Deep Purple, Diamond On Side
2002
Insulators Bt Co Of Canada
Purple
2000
Insulators
Aqua, Canada
1995
Insulators C D P Tel Co
Light Aqua, Amber Swirls
1995
Insulators C E W
Aqua
1996
Insulators C G I
Sage Green
1996
Insulators C N R
Aqua
1997
Insulators Cable
No. 2, Light Blue
1998
Insulators Cable
No. 3, Dark Green, Bubbles
1998
Insulators Cable
No. 4, Dark Aqua
1998
Insulators Cable
No. 4, Aqua
1999
Insulators Cable
No. ++2, Forest Green
2001
Insulators Cable
No. ++3, Emerald Green, Swirls
2001
Insulators Cable
No. ++3, Light Blue Aqua
2001
Insulators Cable
No. 262, Green
2001
Insulators Cable
No. 2, Aqua, Olive Wisps
2002
Insulators Cable
No. 3, Blue Aqua, Small Rocks
2004
Insulators Cable
Cable Top, Threaded, 2 Ears, Emerald Green
2005
Insulators California
Aqua
1996
Insulators California
Purple
1996
Insulators California
Santa Ana, Purple
1996
Insulators California
Santa Ana, Yellow-green
1996
Insulators California
Plum Purple
1995
Insulators California
No. 152, Sage Green
2004
Insulators California
No. 161, Light Yellow, Purple, Amber, Dome
2004
Insulators California
No. 161, Plum, Dome Glass
2004
Insulators California
No. 161, Plum, Streaky, Dome
2004
Insulators California
No. 166, Sage Green
2004
Insulators California
No. A007, Side Wire Groove, Single Petticoat, Threaded, Light Purple
2005
Insulators California
Side Wire Groove, Double Petticoat, Smooth Base, Smoky Light Purple
2007
Insulators California Electric Works
Purple, Bubbles
2001
Insulators California Electric Works
Clear
2001
Insulators California Electric Works
Sage
2001
Insulators Canada
No. 121, Pleated Skirt, Light Blue, Dome, 1899
2004
Insulators Canadian National Railway
Green
1995
Insulators Canadian Pacific
No. 143, Light Green, Purple Swirls
2001
Insulators
Purple
2000
Insulators Canadian Pacific Railway
Ice Blue
1996
Insulators Canadian Pacific Railway
Royal Purple
1995
Insulators Canadian Pacific Railway Co
Light Aqua, Vertical Ridges
1997
Insulators Canadian Pacific Railway Co
Light Green
1997
Insulators Canadian Pacific Railway Co
Medium Green
1997
Insulators Canadian Pacific Ry Co
Side Wire Groove, Single Petticoat, Slug Embossing, Green
2006
Insulators Castle
Saddle Wire Groove, Double Petticoat, Strawberry
2007
Insulators
No. 131, Pat July 225, 1865, Light Aqua
2004
Insulators Cauvets
No. 131, Pat July 225, 1865
2004
Insulators
Light Aqua, Amber Swirls
1995
Insulators Central District Printing Telegraph Co
Light Green
1997
Insulators Central District Printing Telegraph Co
Light Green
1997
Insulators
Aqua
1996
Insulators
Sage Green
1996
Insulators Chicago
Embossed, Blue
1996
Insulators Chicago
Embossed, Blush
1996
Insulators Chicago
Base, Blue Aqua
1997
Insulators Chicago
Diamond Groove, Dome Embossed, Blue
1995
Insulators Chicago Diamond
Embossed Shoulder, Blue
2003
Insulators Chicago Insulating Co
Embossed Base, Aqua
1996
Insulators Chicago Insulating Co
No. 135, Blue
2004
Insulators Chicago Insulating Company
No. 135, Blue
2006
Insulators Civil War Egg
Dark Green
1995
Insulators
Aqua
1997
Insulators Columbia
Light Blue
1996
Insulators Columbia
No. 2, Cable Top, Saddle Wire Groove, 2 Ears, Threaded, Teal Green
2005
Insulators Compromise Style
Dark Teal Green, Threadless, Cd 729
2002
Insulators Confederate Egg
Dark Green
1996
Insulators Confederate Egg
Threadless, Lockport Green, 4 1/4 In.
2001
Insulators Cutter
Coffin Bottom, Aqua
2005
Insulators Diamond
Gray
1996
Insulators Diamond
Ice Green
1996
Insulators Diamond
Medium Purple
1996
Insulators Diamond
No. 13, Dark
1996
Insulators Diamond
Dark Amber
1995
Insulators Diamond
No. 5, Sca
1995
Insulators Diamond
Olive Amber
1995
Insulators Diamond
Side Wire Groove, Single Petticoat, Threaded, Teal Blue
2005
Insulators Diamond
Side Wire Groove, Single Petticoat, Smooth Base, Wrinkly, Yellow Green
2006
Insulators Diamond
Side Wire Groove, Single Petticoat, Royal Purple
2007
Insulators Diamond
Side Wire Groove, Single Petticoat, Smooth Base, Peach
2007
Insulators Dominion
No. 42, Cornflower Blue
1996
Insulators Dominion
No. 42, Yellow
1995
Insulators Dominion
No. 42
1998
Insulators Dominion
No. 42, Honey Amber
2000
Insulators Dominion
No. 42, Amber
2002
Insulators Dominion
No. 10, Straw, Side Wire Groove, Single Petticoat, Threaded, Flat Top
2005
Insulators Dominion
No. 42, Yellow Amber
1998
Insulators Dominion
No. 42, Orange Amber
2000
Insulators Dominion
No. 42, Near Clear ~illus
2002
Insulators
Golden Yellow Ember
2001
Insulators Duquesne
Teal Blue
1996
Insulators Duquesne
No. 121, Ice Blue, 4 Ribs
2004
Insulators Duquesne
Blue
2001
Insulators Dwight Pattern
No. 143, Light Aqua
2004
Insulators E C M
Extended Skirt, Aqua
1995
Insulators
Emerald Green
2001
Insulators
Extended Skirt, Aqua
1995
Insulators Ec M Co
S.f., No. 123, Deep Teal
2004
Insulators Ec M Co
S.f., No. 123, Deep Teal, Original Metal Stand
2004
Insulators Electric Supply
Aqua
1995
Insulators Electrical Construction Maintenance Co
Aqua, Milk & Amber Skirt
1997
Insulators Electrical Construction Maintenance Co
Aqua, Sheet Metal Mold
1997
Insulators Electrical Construction Maintenance Co
Aqua, Milk & Amber Skirt
1997
Insulators Electrical Construction Maintenance Co
Aqua, Sheet Metal Mold
1997
Insulators
Light Blue-aqua
1998
Insulators F M Locke
Victor, N.y., Aqua
1996
Insulators F M Locke
White
1997
Insulators F M Locke
White
1995
Insulators Flat Dome
Aqua Blue, Bubbles & Swirls, 1860s, 3 1/2 In.
2001
Insulators Fm Locke
Victor, N.y., No. 15, Yellow Green, Amber Streaks
1998
Insulators Fm Locke
Victor, N.y., No. 16, Emerald Green, Yellow Tint
1998
Insulators Fm Locke
Victor, N.y., Aqua
1996
Insulators Fm Locke
White
1995
Insulators Fm Locke
White
1997
Insulators Fogbowl
Glazeweld, Brown
1995
Insulators Foster Brothers
Side Wire Groove, Pilgrim Hat, Rounded Dome, Olive Black
2007
Insulators G T P
Dark Green, Amber In Base
1996
Insulators Gayner
No. 620, Aqua
2001
Insulators Gayner
No. 90, Light Aqua
2003
Insulators Gayner
No. 48-400, Aqua, Black Swirls, Side Wire Groove, Double Petticoat, Threaded
2005
Insulators Gaynor
No. 90, Side Wire Groove, Single Petticoat, Sharp Drip Points, Blue Aqua
2006
Insulators Good
No. 16, Side Wire Groove, Single Petticoat, Smooth Base, Aqua
2007
Insulators Gould
U-683, Skytone & Black
2002
Insulators Green Aqua
Bits Of Slag, Patented June 17, 1890
1996
Insulators
Dark Green, Amber In Base
1996
Insulators H G Co
Aqua, Milk Glass
1996
Insulators H G Co
Beehive, Milky Swirling
1996
Insulators H G Co
Cornflower Blue
1996
Insulators H G Co
Patd May 2nd 1893, Blue Aqua, Inner Outer Drips
1996
Insulators H G Co
Petticoat, Blue
1996
Insulators H G Co
Petticoat, Light Apple Green
1996
Insulators H G Co
Petticoat, Sb, Aqua
1996
Insulators H G Co
Petticoat, Lime Green
1995
Insulators H G Co
Royal Purple
1995
Insulators H G Petticoat
Aqua
1995
Insulators Hawley
Aqua
1996
Insulators Hawley
Light Blue
1997
Insulators Hawley
Aqua
1995
Insulators Hbr
No. 145, Aqua
2004
Insulators Hbr
Side Wire Groove, Double Petticoat, Smooth Base, Ice Blue
2007
Insulators Hemingray
No. +1, High Voltage Triple Petticoat, Patent May 2, 1893
1996
Insulators Hemingray
No. +3, Cable, Drips, Aqua
1996
Insulators Hemingray
No. +9, Jade Milk Glass
1996
Insulators Hemingray
No. 38, Aqua
1996
Insulators Hemingray
No. 40, Aqua, Amber Swirls
1996
Insulators Hemingray
No. 42, Green
1996
Insulators Hemingray
No. 79, Aqua
1996
Insulators Hemingray
No. D-990, Aqua
1996
Insulators Hemingray
Patented, Backward 2nd E, Oct 8th, 1907, Aqua
1996
Insulators Hemingray
No. ++3, Ndp, Aqua
1997
Insulators Hemingray
No. ++3, Sdp, Aqua
1997
Insulators Hemingray
No. +11, Aqua
1997
Insulators Hemingray
No. +12, Ice Blue
1997
Insulators Hemingray
No. +16
1997
Insulators Hemingray
No. +18, Blue
1997
Insulators Hemingray
No. +23, Medium Golden Amber
1997
Insulators Hemingray
No. +24, Blue
1997
Insulators Hemingray
No. +40, Blue
1997
Insulators Hemingray
No. +40, Green
1997
Insulators Hemingray
No. +42, Light Carnival
1997
Insulators Hemingray
No. +42, Medium Green
1997
Insulators Hemingray
No. +43, Green
1997
Insulators Hemingray
No. +62, Amber Hint
1997
Insulators Hemingray
No. +63, Bright Ice
1997
Insulators Hemingray
No. +82, 1871
1997
Insulators Hemingray
No. 660, Clear, 5/8 In.
1997
Insulators Hemingray
No. D-512, Ice Blue
1997
Insulators Hemingray
No. E-1, Light Lemon
1997
Insulators Hemingray
Petticoat, Light Cornflower
1997
Insulators Hemingray
Big Mouth, Clear
1995
Insulators Hemingray
No. 16, Olive Green
1995
Insulators Hemingray
No. 25, Aqua
1995
Insulators Hemingray
No. 3, Embossed
1995
Insulators Hemingray
No. 4, Aqua, 1871
1995
Insulators Hemingray
No. 4, Green-aqua, Amber Hint
1995
Insulators Hemingray
No. 40, Green With Amber Swirls
1995
Insulators Hemingray
No. 40, Olive
1995
Insulators Hemingray
No. 56, Clear, Large
1995
Insulators Hemingray
No. 8, Aqua
1995
Insulators Hemingray
No. 9, 7-up Green
1995
Insulators Hemingray
No. 9, Dark Green, Small
1995
Insulators Hemingray
No. 95, Blue
1995
Insulators Hemingray
No. Ts2, Carnival
1995
Insulators Hemingray
Telegraph, Green Glass, 1893, Small
1995
Insulators Hemingray
E-2, Light Yellow
1998
Insulators Hemingray
No. ++3, Bright Aqua, Cable
1998
Insulators Hemingray
No. ++3-512, Yellow Amber
1998
Insulators Hemingray
No. ++5, Dark Aqua, Pat. 1893
1998
Insulators Hemingray
No. ++9, Aqua, Jade Green Swirl, Pat. 1893
1998
Insulators Hemingray
No. +12, Aqua Jade, Milk Swirls, Sharp Drip Points
1998
Insulators Hemingray
No. +12, Dark Olive Green
1998
Insulators Hemingray
No. +12, Milk Swirls, Aqua
1998
Insulators Hemingray
No. +19, Orange Amber, Round Drip Points
1998
Insulators Hemingray
No. +23, Blue
1998
Insulators Hemingray
No. +38, Aqua
1998
Insulators Hemingray
No. +50, Blue Aqua
1998
Insulators Hemingray
No. +54 A & B, Purple
1998
Insulators Hemingray
No. +55, Blue
1998
Insulators Hemingray
No. +62, Amber Flashed
1998
Insulators Hemingray
No. +71, Blue
1998
Insulators Hemingray
No. 109, Amber
1998
Insulators Hemingray
Ts-2, Carnival
1998
Insulators Hemingray
No. 106
1999
Insulators Hemingray
No. 115, Ice Blue
1999
Insulators Hemingray
No. 214, 7-up Green
1999
Insulators Hemingray
No. ++9, Jade Milk, Patent, May 2, 1893
2000
Insulators Hemingray
No. +19, Green
2000
Insulators Hemingray
No. +25, Aqua
2000
Insulators Hemingray
No. 660, Honey Amber
2000
Insulators Hemingray
Patent May 2 1893, Petticoat, Cobalt Blue
2000
Insulators Hemingray
No. ++9, Jade Green Milk, 1893
2001
Insulators Hemingray
No. +14, Clear
2001
Insulators Hemingray
No. +21, Aqua