Partial diamond is definitely the rare one, and is a true printing plate modification, not just printing defect. There's not a ton more value added to it, because it was discovered recently. PSA doesn't even have a Set Registry for 1955 Topps Master Set, nor break out the variation on the Jackie Robinson cards. I bet the price grows once they start doing it.
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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.
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