Realized prices for the same title, issue and grade across houses — different physical copies. For one specific slab, use cert provenance.
LotScan — The search engine for auctions
Same book, same grade1990 man marvel spider universe #29 · grade 10Same title, issue and grade across sources — different physical copies. Not the same slab. For one specific slab's history use cert provenance.
Aug 18, 2021Alt1990 Marvel Universe Spider Man #29 PSA 10edition unstated (pooled with unlimited)PSA 10sports-card comps not modeled (parallels / serial numbers / autos not keyed) — shown, not counted$1,437