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PSA 10: PriceCharting · last PSA 10 sale $85.00 on Aug 13, 2026 · checked Oct 27, 2026
PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-10-17. Grade 9 guide (all graders): $23.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Necrozma GX (Promo #SM58) at $1.87 market price (TCGplayer market). Its Delta multiple is 45.5x.
A PSA 10 Necrozma GX (Promo #SM58) is currently shown at $85.00. GemDelta labels this as a PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 28.5% gem rate for Necrozma GX (Promo #SM58), with 41 PSA 10 copies out of 144 total PSA grades and a 45.5x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Aug 13, 2026 | 2017 POKEMON SM BLACK STAR PROMO SM58 PSA 10 #SM58 | $85.00 |
| May 14, 2026 | 2017 POKEMON SM BLACK STAR PROMO MYSTERIOUS POWERS TINS NECROZMA GX-HOLO PSA 10 #SM58 | $105.00 |