| 2026-08-03 | $88.00 | 10 | PSA | 2019 POKEMON SUN & MOON HIDDEN FATES #31 MEWTWO GX PSA 10 #31 | eBay → |
| 2026-08-03 | $21.50 | 9 | PSA | 2019 POKEMON SUN & MOON HIDDEN FATES #31 MEWTWO GX PSA 9 #31 | eBay → |
| 2026-08-03 | $26.00 | 9 | PSA | 2019 POKEMON SUN & MOON HIDDEN FATES #31 MEWTWO GX PSA 9 #31 | eBay → |
| 2026-08-03 | $102.50 | 10 | PSA | 2019 POKEMON SUN & MOON HIDDEN FATES #31 MEWTWO GX PSA 10 #31 | eBay → |
| 2026-08-02 | $92.00 | 10 | PSA | 2019 Pokemon SM Hidden Fates Mewtwo GX #31/68 PSA 10 GEM MINT | eBay → |
| 2026-08-02 | $9.48 | — | Raw | Mewtwo GX #31 Near Mint English | eBay → |
| 2026-08-02 | $6.77 | — | Raw | Pokemon TCG Mewtwo GX 31/68 Hidden Fates Holo Ultra Rare 31/68 | eBay → |
| 2026-08-01 | $6.99 | — | Raw | Pokemon Hidden Fates Mewtwo GX 31/68 NM 004 #004 | eBay → |
| 2026-08-01 | $2.25 | — | Raw | Pokemon TCG Mewtwo GX 31/68 Hidden Fates Ultra Rare Holo 180 HP English 31/68 | eBay → |
| 2026-08-01 | $5.00 | — | Raw | The Pokémon Company Mewtwo GX 31/68 Hidden Fates Ultra Rare Holo 31/68 | eBay → |
| 2026-07-31 | $6.00 | — | Raw | Pokémon TCG Mewtwo GX 31/68 Hidden Fates Holo Ultra Rare HP180 English 2019 31/68 | eBay → |
| 2026-07-31 | $109.00 | 10 | PSA | Pokemon Hidden Fates Mewtwo GX 31/68 PSA 10 Holo Full Art Ultra Rare 2019 31/68 | eBay → |
| 2026-07-31 | $27.00 | 9 | PSA | 2019 POKEMON SUN & MOON HIDDEN FATES #31 MEWTWO GX PSA 9 #31 | eBay → |
| 2026-07-31 | $100.00 | 10 | PSA | PSA 10 2019 Pokemon TCG Hidden Fates Mewtwo GX 31/68 Holo Ultra Rare 31/68 | eBay → |
| 2026-07-30 | $90.00 | 10 | PSA | POKEMON MEWTWO GX 2019 SUN & MOON HIDDEN FATES #31 PSA 10 #31 | eBay → |
TCGiant Pricing