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 grade2023 & 151 ex gold metal mew pokemon premium scarlet ultra violet #205 · grade 9Same title, issue and grade across sources — different physical copies. Not the same slab. For one specific slab's history use cert provenance.