Here's another minor, but interesting, variation nonetheless. It's actually a variation within a variation...
These cards are traditional 1969 Topps White Letter (WL) #485 Gaylord Perry Variations...
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While these cards are traditional 1969 White Letter (WL) #485 Gaylord Perry Variations with an extra thick blue line present and floating to the right of his cheek...
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They are wickedly tough to find.