A very strange card. Not many known variations in 1991 Stadium Club but for some reason, Jamie Quirk has three different versions (four, if you believe a 1975 version exists out there). Interesting to note: Quirk's card is featured on the box packaging.
1976 Topps listed as RC on back w/ image overprint on Quirk's portion of his 1976 Topps RC
1976 Topps listed as RC on back w/o overprint
1990 Topps listed as RC on back
Before anyone says it: no, this is not a print flaw or misprint caused by a wet transfer, this overprint version can be found frequently with the same exact marks, no variance whatsoever and is, by my count, the slightly more common of the two 1976 versions.
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