Gastly [Reverse Holo] #21
Gastly [Reverse Holo] #21 (Japanese Dark Phantasma) sells for about $2.27 ungraded and $35 in PSA 10. PSA has graded 50 copies, 21 of them 10s. Prices are medians of completed sales, updated November 14, 2026.
PSA 10 sells for 1.2× a graded 9 ($35.00 vs $29.48).