GBPS Discussion Boards

use of phosphor stamps
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Author:  jimusedcontrols [ Tue Aug 29, 2017 10:55 am ]
Post subject:  use of phosphor stamps

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.

Author:  Wilding Mad [ Wed May 20, 2020 5:43 pm ]
Post subject:  Re: use of phosphor stamps

Hi Jim,
I think you will find an updated version of Austin Barnes original article on this site under downloads available to all members, it may be that you have already discovered it since your original posting being made in 2017, but if that is not the case, that's where you'll find it, hoping this helps !

Have a nice day. WM.

Author:  jimusedcontrols [ Wed May 20, 2020 8:38 pm ]
Post subject:  Re: use of phosphor stamps

Thanks for the tip and directing me to that powerpoint presentation. Fascinating but the same basic information on issuing post offices.

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