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PSA 10: Median of 3 sales, last 45 days · newest Oct 17, 2026 · checked Oct 25, 2026
PSA 9: Median of 4 PSA 9 sales in the last 90 days, latest 2026-10-18. Grade 9 guide (all graders): $608.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Mewtwo (Promo #12) at $152 market price (TCGplayer market). Its Delta multiple is 30.7x.
A PSA 10 Mewtwo (Promo #12) is currently shown at $4,650, the median of 3 PSA 10 sales in the last 45 days (newest Oct 17, 2026).
GemDelta records a 13.4% gem rate for Mewtwo (Promo #12), with 296 PSA 10 copies out of 2,211 total PSA grades and a 30.7x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 17, 2026 | 2000 Pokemon Black Star Promo Mewtwo #12 PSA 10 GEM MINT FIXED [Fanatics] | $4650.00 |
| Oct 9, 2026 | 2000 Pokemon Black Star Promo Mewtwo #12 PSA 10 GEM MINT FIXED [Fanatics] | $5400.00 |
| Oct 6, 2026 | 2000 POKEMON PROMO BLACK STAR #12 MEWTWO PSA 10 #12 | $4300.00 |
| Sep 6, 2026 | 2000 POKEMON PROMO BLACK STAR #12 MEWTWO PSA 10 #12 | $3051.00 |
| Sep 4, 2026 | 2000 POKEMON PROMO BLACK STAR #12 MEWTWO PSA 10 #12 | $2900.00 |
| Aug 23, 2026 | 2000 POKEMON PROMO BLACK STAR #12 MEWTWO PSA 10 #12 | $2425.00 |
| Aug 5, 2026 | 2000 POKEMON PROMO BLACK STAR #12 MEWTWO PSA 10 #12 | $2350.00 |
| Jul 28, 2026 | 2000 POKEMON PROMO BLACK STAR #12 MEWTWO PSA 10 #12 | $2300.00 |
| Jun 29, 2026 | 2000 Pokemon Promo Black Star #12 Mewtwo - PSA GEM MT 10 [Goldin] | $2403.40 |
| Jun 19, 2026 | 2000 POKEMON PROMO BLACK STAR #12 MEWTWO PSA 10 #12 | $2650.00 |
| May 12, 2026 | Pokemon Mewtwo Black Star Promo #12 PSA 10 Gem Mint | $1689.13 |
| May 3, 2026 | Pokemon Mewtwo Black Star Promo #12 PSA 10 Gem Mint | $1819.19 |