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 grade2021 & deck gengar high-class pokemon shield sword v vmax #1 japanese holo · grade 10Same title, issue and grade across sources — different physical copies. Not the same slab. For one specific slab's history use cert provenance.