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 league pokemon psyduck #20 promo · grade 9Same card, set and grade across sources — different physical copies. Not the same slab. For one specific slab's history use cert provenance.
PSA and CGC grade the same number differently and their prices differ — pick a grading company; card numbers are never pooled across graders.
live nowFanatics Collect2000 Pokemon League Black Star Promo Psyduck #20 CGC 9 MINTedition unstated (pooled with unlimited), promoCGC 9live — not a realized pricecurrent bid $16.00
Sep 9, 2026eBay2000 Pokemon Black Star Promo Pokemon League #20 Psyduck PSA 9 MINTedition unstated (pooled with unlimited), promoPSA 9$231.50≈ date · 80%Aug 24, 2026Fanatics Collect2000 Pokemon League Black Star Promo Psyduck #20 PSA 9 MINTedition unstated (pooled with unlimited), promoPSA 9$125.00
Aug 17, 2026Fanatics Collect2000 Pokemon League Black Star Promo Psyduck #20 CGC 9 MINTedition unstated (pooled with unlimited), promoCGC 9$66.00