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 Replies: 12 / Views: 1,045 |
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Valued Member
32 Posts |
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Scan shows a normal block of 9 #708 on right and an unusual block on the left. Both are MNH. My first reaction to the oddball block was light fading, but the colours on the individual stamps change gradually from stamp-to-stamp and never do reach the proper colours. Any thoughts? If it is a printing error, how could such an effect happen? Thanks in advance. Neil.  |
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Moderator
United States
5094 Posts |
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Valued Member
32 Posts |
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Would not the remaining colours have faded by a similar amount? The brown looks pretty much just as strong in all the stamps. |
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Bedrock Of The Community
12557 Posts |
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Valued Member
32 Posts |
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Thanks all. Was my first impression, but the progression of fading looked odd. Cheers. |
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Valued Member
Canada
382 Posts |
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Pillar Of The Community
Canada
644 Posts |
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I was thinking the same as gportch.
If it is a repellex error, it would have decent value. Might be worth sending for expertizing.
It's hard to tell from the scan if it is simply a changeling. Normally a changeling changes the colour, it does not fade the colour. I have never seen this stamp fading like this.
BTW: gportch does expertizing for the VGGF |
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| Edited by 3Dadeo - 09/16/2022 1:00 pm |
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Pillar Of The Community
6329 Posts |
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Quote:
Potentially a 'repellex' created flaw. What is repellex? The use of this term means absolutely nothing to me, and likely to most other readers. That said, this block looks very typical of light-fading, the red end of the spectrum fading first, thus the yellow fading out. |
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Pillar Of The Community
Canada
644 Posts |
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A "repellex" error occurs when the printing plate is not cleaned properly (leaving some chemicals on the surface) and the ink does not adhere properly. There are many examples with Canadian stamps (though rare) and they all command good prices. |
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Moderator
United States
12330 Posts |
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Here is a US stamp that John Becker ran a sunlight exposure test on, fading and color shifting is clear.  I think the OP stamp block is light fade. Rather than spend money on a cert, I would take another block and run a test like John did. It should not take more than a week or two if the block is placed in direct sunlight. Don |
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Pillar Of The Community
Canada
644 Posts |
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True. I am not saying it isn't a sun fade, but it is a possible "repellex" error.
A simple test would be a good idea. Just be sure to use the correct stamp as this came in two printings, one of which is known for its "changeling" ability.
O/P needs to confirm which stamp this is. |
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Pillar Of The Community
United States
692 Posts |
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This issue was particularly subject to color changes when exposed to sunlight. At the time, Bileski sold sets that had been exposed to "the harsh northern sun" with dramatic changes in color. |
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Pillar Of The Community
Canada
644 Posts |
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Yes, but this is not a colour changeling, hence I would like to know which printing it is. |
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Replies: 12 / Views: 1,045 |
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Posted 09/13/2022 7:04 pm
