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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Onix (Fire Red & Leaf Green #42) at $22.99 market price (TCGplayer market). Its Delta multiple is 12.2x.
A PSA 10 Onix (Fire Red & Leaf Green #42) is currently shown at $280. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 13.4% gem rate for Onix (Fire Red & Leaf Green #42), with 16 PSA 10 copies out of 119 total PSA grades and a 12.2x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Onix (Fire Red & Leaf Green #42) is shown at $22.99 market price. That value is for this stored card variant, not the base printing.