About Brock's Onix
Brock's Onix from the Leaders' Stadium set (#10/27) is a Pokemon trading card released in 1998. Current fair market values for Brock's Onix are PSA 9: $18.50, Raw: $4.82. The most recent PSA 9 sale was $18.50 on December 15, 2025. A raw (ungraded) copy last sold for $4.82 on December 30, 2025. CardIndex has tracked 5 total sales across all grades for this card.
