1970 Topps Error Back
I came across some 1970 Topps raw cards and had multiple copies of a few cards. I noticed card #1 (NY Mets: World Champions) had two different backs. One says "Mets Team Records" and the other says "Mets Team Records Dossiers Des Mets"
I know Topps produced Venezuelan cards until 1968 but hadn't seen something like this in the 1970 set.
Is this rare or just something I hadn't noticed before?
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