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United States/Stamps : U.S. airmail plate blocks of 6

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al24jr
08 May 2018
10:35:06pm
Can two blocks of the same stamp have the same plate number????
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Cactusjack
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08 May 2018
10:58:46pm
re: U.S. airmail plate blocks of 6

Yes. In most cases there are many thousands of blocks with the same plate number.

Jim

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youpiao
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17 Jul 2018
04:03:31am
re: U.S. airmail plate blocks of 6

Quote:

"Can two blocks of the same stamp have the same plate number????"


It seems you may be thinking of the plate number as being a serial number of the stamps. It is, rather, an identification number of the printing plate used to produce that sheet of stamps. As Cactusjack said, one plate can be used for thousands of sheets.

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amsd
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Editor, Seal News; contributor, JuicyHeads
17 Jul 2018
12:04:47pm
re: U.S. airmail plate blocks of 6

AND..... modern panes often come with FOUR of the same plate number (typically a series of "1"s corresponding to the number of PMS colors used in production), which then means that contemporary panes really have mostly identical plate numbers distinguished solely by the prefix letter identifying the Printer who contracted for the pane (and not necessarily the printer who printed it).

In an earlier post, I had mentioned using PNs to ID WFs; modern printing techniques eliminate that option. Pity.

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