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Author: Subject: Scott 182----bi colored print
cec71
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[*] posted on 12/16/2013 at 18:43
Scott 182----bi colored print


The scan shows the 200 K stamp with a sharp brown top and right margin with olive comprising the remainder of the stamp. The gum is uniform.

Any ideas? Could this a changling where the stamp was partially exposed to ? light and the brown changed to olive. Were the olive shades originally brown? Hard to imagine this was a printing error with two colors simultaneously applied.

Your thoughts???????

200K.jpg - 105kB
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Duck
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[*] posted on 12/17/2013 at 20:47


Chemically changed color.
Lower a stamp in acetone, color will change on olive, glue remains untouched.
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cec71
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sad.gif posted on 12/20/2013 at 08:43
Color change


No change in color with previous suggestion. Any other ideas?
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[*] posted on 12/20/2013 at 10:31


Looks like it is simply faded, but the fade pattern is a little odd.
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cec71
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study.gif posted on 12/20/2013 at 17:19
Fade pattern


We agree the fade pattern is very sharply demarcated both horizontally and vertically with the two at a 90 degree angle. Had wondered if it was covered with a piece of paper or something that chemically reacted with ink under the covered area like acidic paper or mount to change the brown to olive. Whatever it was it would be a great way to create olive shades!.
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