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PSA 10: Median of 2 sales, last 45 days · newest Oct 16, 2026 · checked Oct 26, 2026
PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-08-28. Grade 9 guide (all graders): $11.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Stormy Mountains (Evolving Skies #232) at $4.22 market price (TCGplayer market). Its Delta multiple is 11.8x.
A PSA 10 Stormy Mountains (Evolving Skies #232) is currently shown at $50.00, the median of 2 PSA 10 sales in the last 45 days (newest Oct 16, 2026).
GemDelta records a 50.5% gem rate for Stormy Mountains (Evolving Skies #232), with 143 PSA 10 copies out of 283 total PSA grades and a 11.8x Delta. That describes the grading profile; it is not financial advice.