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 gradecard base koffing pokemon set #51Same card, set and grade across sources — different physical copies. Not the same slab. For one specific slab's history use cert provenance.
thin · 4 sales4 sales (universal label, last 3 yrs, CGC)median $16.50IQR $11.50 – $22.00Jun 15, 2026 → Jul 6, 2026Fanatics Collect · CGC6 not counted
live nowAlt1999 Pokemon Base Set Koffing #51edition unstated (pooled with unlimited)BGS live — not a realized priceasking price $399.00
live noweBay1999 Pokemon Base Set #51 Koffing Unlimited CGC 8.5unlimitedCGC 8.5live — not a realized priceasking price $14.99
live nowAlt1999 Pokemon Base Set Koffing #51edition unstated (pooled with unlimited)BGS live — not a realized priceasking price $499.00
live noweBay1999 POKEMON BASE SET UNLIMITED Koffing #51 PSA 10unlimitedPSA 10live — not a realized priceasking price $299.99
live nowAlt1999 Pokemon Base Set Koffing #51edition unstated (pooled with unlimited)PSA live — not a realized priceasking price $799.00Jul 13, 2026Fanatics Collect1999 Pokemon Base Set Koffing #51 PSA 9 MINTedition unstated (pooled with unlimited)PSA 9grader filter: CGC only$15.00
Jul 6, 2026Fanatics Collect1999 Pokemon Base Set Koffing #51 CGC 10 GEM MINTedition unstated (pooled with unlimited)CGC 10$21.00
Jun 15, 2026Fanatics Collect1999 Pokemon Base Set Koffing #51 CGC 9 MINTedition unstated (pooled with unlimited)CGC 9$12.00
Jun 15, 2026Fanatics Collect1999 Pokemon Base Set Koffing #51 CGC 8.5 NM-MT+edition unstated (pooled with unlimited)CGC 8.5$10.00
Jun 15, 2026Fanatics Collect1999 Pokemon Base Set Koffing #51 CGC 10 GEM MINTedition unstated (pooled with unlimited)CGC 10$25.00