Both are commons, although Bradley would normally sell for a bit more than Siever. I think the Siever would probably grade out a 1.5 or 2, while the Bradley might be a 1. Dollar-wise, they'd be worth more if graded by PSA or SGC. Probably looking at around $750-$1000 for each at those grades, if I had to guess. A Siever in any grade hasn't gone at auction, while a PSA 1 Bradley went for $470 back in 2010.
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