Discussion - Member to Member Sales - Research Center
Discussion - Member to Member Sales - Research Center
This stamp is flat press printed from the 1870s.
The sheet was printed and then put into a rack, each sheet was printed then stacked on to the previous printed sheet. If the a sheet was over inked and still wet the sheet above could could pick up an offsett image but in negative oientation. Sometime a complete or almost complete image would show.
Special note: This can only happen on flat press printed stamps!
The offsett would not add any value to the stamp.
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I should have mentioned with flat press print stamps, they are gummed in a separate operation after printing not before!
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Recalling my previous posting.
This stamp is flat press printed from the 1870s.
The sheet was printed and then put into a rack, each sheet was printed then stacked on to the previous printed sheet. If the a sheet was over inked and still wet the sheet above could could pick up an offsett image but in negative oientation. Sometime a complete or almost complete image would show.
Special note: This can only happen on flat press printed stamps!
The offsett would not add any value to the stamp.
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re: More Information on Offsett Images
I should have mentioned with flat press print stamps, they are gummed in a separate operation after printing not before!
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