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Cert provenanceSGC
SGC 3 · cert 0539732
1956 Topps Gray Back Mickey Mantle #135 SGC 3
One physical slab, tracked across Alt. Every entry links to the house's own page. Other copies of the same book are title comps — a different thing.
Sep 3, 2026
Sold for $1,699 (≈$1,699 all-in)