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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Monferno (Steam Siege #19) at $0.59 market price (TCGplayer market). Its Delta multiple is 23.6x.
A PSA 10 Monferno (Steam Siege #19) is currently shown at $39.85. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 0.00% gem rate for Monferno (Steam Siege #19), with 0 PSA 10 copies out of 1 total PSA grades and a 23.6x Delta. That describes the grading profile; it is not financial advice.
The Reverse Holo version of Monferno (Steam Siege #19) is shown at $0.59 market price. That value is for this stored card variant, not the base printing.