List of altered colors

Irradiated Blues/Ambers

Thermally Induced Colors

List of Known Altered Colors

The following data was derived from extensive experimentation, as well as reliable reports from outside sources. This is by no means a complete listing of all possible color alterations. In some instances, shades can vary dramatically. More listings will be added as they become available. Most, but not necessarily all styles (CD's) of the embossings listed are subject to the listed color alterations.

Please be aware that some of the following altered colors can occur as authentic colors as well.

Embossing	Known Altered Colors
AGEE	Royal purple
A.T. & T.	Blue
Am. Tel. & Tel.	Royal purple, Light pink, Off clear, Sapphire blue
Armstrong	Varying shades of brown
Brookfield	Burnt brown aqua, Burnt olive green, Burnt olive Brown, Yellow olive brown, Cornflower blue, Sapphire blue, Off clear, Dark ink blue, Lavender, Gray purple, Purple, Deep puce purple, Royal purple
California	Light yellow, Honey yellow, Light yellow green, Golden yellow, Peach, Golden peach, Yellow/peach two-tone, Royal purple
Canadian Pacific R.R.	Purple, Royal purple, Plum, Puce purple
CCG	Royal purple
C.E.L.	Purple, Royal purple
CEW	Burnt olive, Cornflower blue, Light cornflower blue
Diamond pony	Burgundy
Diamond toll	Lavender, Royal purple
Gayner	Lavender, Purple, Royal purple
G.N.W.	Purple, Royal purple
Hawley (Harloe)	Blue
Hemingray/H.G.Co	Varying shades of brown amber, Orange amber, Dark smoky sage, Cornflower blue, Sapphire blue, Lavender, Purple, Reddish purple, Royal purple, Green
Kerr	Varying shades of brown
lightning rod insulator	Deep honey amber, Light olive green, Cornflower blue, Sapphire blue, Purple, Royal purple
Lynchburg	Brown, Smoke, Muddy dark sage, Gray blue, Cornflower blue, Lavender blue
M & E cable	Blue, Royal purple
Maydwell	Muddy brown, Dark muddy purple, Purple, Royal purple, Brown swirled milkglass
McLaughlin	Muddy brown, Muddy purple, Purple
N.E.G.M.	Blue, Lavender, Royal purple
New Eng. Tel. & Tel	Blue, Lavender
NN CD 143 (Canadian)	Brown amber, Lavender, Purple, Royal purple
NN CD 145 “Grand Canyon” style	Medium to dark lavender, Purple, Royal purple
NN CD 729	Purple
NN “Pennycuick” styles	Burnt sage green, Burnt olive green, Blue, Sapphire blue, Blue purple
NN "Pleated Skirt" toll	Sapphire blue
No 2 Cable	Purple, Royal purple
O.V.G.	Lavender, Purple
Patent Dec. 19 1871	Varying shades of brown amber, Dark brown puce, Purple, Reddish purple, Royal purple
Postal	Royal purple, Deep sapphire blue
Pyrex	Orange Amber, Varying shades of brown
R, Good, Jr	Blue
radio strain	Dark orange amber, Dark amber, Royal purple
Star	Blue, Blue lavender, Deep sapphire blue, Muddy sapphire blue
WFG	Purple, Dark muddy purple, Dark purple, Royal purple, Dark puce
WGM	Burgundy, Light yellow green, Off clear, Straw, Yellow straw
Whitall Tatum	Varying shades of brown, Royal purple
1678 (& unembossed)	Indigo blue, Lavender, Purple, Royal purple

Irradiated Purple/lavender

Irradiated Blues/Ambers

Thermally Induced Colors

Before/After Comparisons

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