Title comps
Realized prices for the same title, issue and grade across houses — different physical copies. For one specific slab, use cert provenance.
Same book, same grade2000 challenge gym koffing koga's pokemon #79 1st edition · grade 10Same title, issue and grade across sources — different physical copies. Not the same slab. For one specific slab's history use cert provenance.
single sale1 sale (universal label, last 5 yrs)last sale $299.00 — not a market estimateAug 31, 2026 → Aug 31, 2026Alt · PSA1 not counted
live nowAlt2000 Pokemon Gym Challenge 1st Edition Koga's Koffing #79 PSA 101st editionPSA 10live — not a realized pricebid $399.00
Aug 31, 2026Alt2000 Pokemon Gym Challenge 1st Edition Koga's Koffing #79 PSA 101st editionPSA 10$299.00