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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Professor Birch (Ruby & Sapphire #89) at $3.61 market price (TCGplayer market). Its Delta multiple is 17.9x.
A PSA 10 Professor Birch (Ruby & Sapphire #89) is currently shown at $65.86. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 3.13% gem rate for Professor Birch (Ruby & Sapphire #89), with 1 PSA 10 copy out of 32 total PSA grades and a 17.9x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Professor Birch (Ruby & Sapphire #89) is shown at $3.61 market price. That value is for this stored card variant, not the base printing.