Thread: 1961 Post on Paper, Not Cardboard?
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Old 07-11-2021, 05:42 AM
David W David W is offline
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Join Date: Apr 2009
Location: Northern Indiana
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Originally Posted by sb1 View Post
Was exposed to moisture or humidity and separated from the cardboard stock.
Yes. It has happened with a few of my Post cards

I just glued it back to the cardboard
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