Just checking the pop report for 1952 topps and they do have cards listed as grey back starting with card 131 and ending at card 190. Most of them have only one graded example with only about four having 2-4 copies graded. It must be so new that they don't even know they label them as such.
Last edited by Bill77; 09-01-2021 at 06:09 PM.
Reason: I can't spell
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