Yeah, correlation does not imply causation, as I learned in science. They could be an interim printing stage, but they're much more likely to be a replacement of the printing plates with their own flaws, IMO. Which those were then further corrected.
Add: I recall someone saying that Topps likely had 7 printing presses, with each needing a set of plates. Not sure how true that is, but this could show that one set of plates had one set of errors (regular NNOF and other blackless partial border/background cards), then a different set of plates had these errors you're spotting (two gaps Frank Thomas, Tapani gap).
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PWCC: The Fish Stinks From the Head
PSA: Regularly Get Cheated
BGS: Can't detect trimming on modern
SGC: Closed auto authentication business
JSA: Approved same T206 Autos before SGC
Oh, what a difference a year makes.
Last edited by swarmee; 09-12-2020 at 05:06 PM.
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