1954 Topps gray back designation

ColoradoCollector

ColoradoCollector Posts: 36 ✭✭✭

August 25, 2022 7:23PM in Trading Cards & Memorabilia Forum

When did PSA begin adding the "gray back" identifier to their flips?

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DavidPuddy Posts: 3,485 ✭✭✭

August 26, 2022 10:46AM

At least 10-12 years ago.
https://forums.collectors.com/discussion/comment/10122895#Comment_10122895

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jimq Posts: 274 ✭✭✭

August 26, 2022 12:38PM edited August 26, 2022 12:55PM

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