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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Professor Birch (Power Keepers #80) at $3.39 market price (TCGplayer market). Its Delta multiple is 43.8x.
A PSA 10 Professor Birch (Power Keepers #80) is currently shown at $138. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 16.1% gem rate for Professor Birch (Power Keepers #80), with 5 PSA 10 copies out of 31 total PSA grades and a 43.8x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Professor Birch (Power Keepers #80) is shown at $3.39 market price. That value is for this stored card variant, not the base printing.