Thread: 1961 Topps Proof
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Old 06-07-2020, 01:05 PM
NiceDocter NiceDocter is offline
Rocky Rockwell
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Join Date: Nov 2013
Location: Jacksonville , Florida
Posts: 1,131
Default Proof?
I had always gone with the usual cardboard color backs as a blank back and true proofs as having a solid white back...... although I know this isnt 100% true its a start.
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