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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Professor Rowan (Diamond & Pearl #112) at $90.00 market price (TCGplayer market). Its Delta multiple is 2.53x.
A PSA 10 Professor Rowan (Diamond & Pearl #112) is currently shown at $270. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 24.0% gem rate for Professor Rowan (Diamond & Pearl #112), with 12 PSA 10 copies out of 50 total PSA grades and a 2.53x Delta. That describes the grading profile; it is not financial advice.