Blastoise 2 PSA 9 vs PSA 10
What the evidence says
Tier evidence · Stale
PSA 9$1,050.7030-day average · Provider-reported approximate sale count: 163 · Evidence date September 7, 2026 · Aging
PSA 10$7,765.0030-day average · Provider-reported approximate sale count: 74 · Evidence date August 8, 2026 · Stale
PSA 10 versus PSA 9 30-day-average spread: $6,714.30 · 639.03% premium · 7.39x