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 Post subject: use of phosphor stamps
PostPosted: Tue Aug 29, 2017 10:55 am 
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Joined: Mon Aug 11, 2008 6:00 pm
Posts: 84
I was wondering whether there is a definitive list available when different towns starting using phosphor stamps. Proper commercial usage can only be from areas where they were actually in use. There was a useful article by A.J. Barnes back in 1967 in Stamp Collecting which helps but I am not sure whether it is complete.


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