| 2026-07-31 | $1655.00 | 9 | PSA | 2017 POKEMON SUN & MOON SHINING LEGENDS SECRET #78 MEWTWO GX PSA 9 #78 | — |
| 2026-07-30 | $799.00 | — | Raw | Mewtwo GX Pokemon Card 78/73 Shining Legends Secret Rare Near Mint Mewtube NM 78/73 | — |
| 2026-07-30 | $600.00Outlier | 5 | PSA | 2017 POKEMON SUN & MOON SHINING LEGENDS SECRET #78 MEWTWO GX PSA 5 #78 | — |
| 2026-07-30 | $9100.00 | 10 | PSA | 2017 POKEMON MEWTWO GX-SECRET SUN & MOON SHINING LEGENDS #78 PSA 10 #78 | — |
| 2026-07-30 | $600.00 | — | Raw | Pokemon Mewtwo GX Secret Shining 78/73 Shining Legends Full Art Holo 2017 78/73 | — |
| 2026-07-30 | $634.00 | 7 | PSA | 2017 POKEMON MEWTWO GX-SECRET SUN & MOON SHINING LEGENDS #78 PSA 7 #78 | — |
| 2026-07-30 | $700.00 | — | Raw | Pokemon TCG Mewtwo GX 78/73 Shining Legends Full Art Holo Shiny Rare Eng 190HP 78/73 | — |
| 2026-07-29 | $860.00 | 8 | PSA | 97338319 Mewtwo GX 2017 Pokemon Shining Legends #78 PSA 8 78/73 | — |
| 2026-07-29 | $660.00 | — | Raw | The Pokémon Company Mewtwo GX 78/73 Shining Legends Secret Full Art Holo EN 78/73 | — |
| 2026-07-29 | $899.95 | 8 | PSA | Pokemon Mewtwo GX Secret Rare Holo 78/73 Shining Legends 2017 PSA 8 78/73 | — |
| 2026-07-29 | $650.00 | — | Raw | Pokémon Mewtwo GX TCG Shining Legends Holo Card 78/73 Secret Rare 78/73 | — |
| 2026-07-28 | $350.00 | — | Raw | The Pokémon Company Mewtwo GX 78/73 Shining Legends Shiny Holo Rare Full Art 78/73 | — |
| 2026-07-28 | $1000.00 | 8 | PSA | 2017 POKEMON SUN & MOON SHINING LEGENDS | SECRET #78 MEWTWO GX PSA8 78/73 | — |
| 2026-07-28 | $900.00 | — | Raw | Mewtwo GX Pokemon Secret Shining 78/73 Shining Legends 78/73 | — |
| 2026-07-28 | $800.00 | — | Raw | Pokemon Mewtwo GX 78/73 Shining Legends 78/73 | — |
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