Raw, it’s a $19.99 card. Slabbed as a PSA 10 it sells for 183× that.
| May · 1 sale · median $6,448 · +77% vs Apr | |||||
| 16 | eBay | Pokemon Card - PSA 10 Mewtwo 10/102 - Base Set - GEM MT - PSA10 010/102 | +65% | $6,448 | |
| April · 5 sales · median $3,650 · −4% vs Oct | |||||
| 27 | eBay | 1999 POKEMON BASE SET UNLIMITED #10 MEWTWO-HOLO PSA 10 #10 | +11% | $3,900 | |
| 26 | eBay | 1999 POKEMON BASE SET UNLIMITED #10 MEWTWO-HOLO PSA 10 #10 | −84% | $3,500 | |
| 26 | eBay | 1999 POKEMON BASE SET UNLIMITED #10 MEWTWO-HOLO PSA 10 #10 | +539% | outlier | |
| 23 | eBay | 1999 POKEMON BASE SET UNLIMITED #10 MEWTWO-HOLO PSA 10 #10 | −4% | $3,499 | |
| 5 | eBay | Pokemon Mewtwo Base Set Unlimited Holo Rare #10 PSA 10 Gem Mint #10 | −4% | $3,650 | |
| October 2025 · 1 sale · median $3,802 · +1% vs Dec | |||||
| 21 | eBay | Pokemon PSA 10 Mewtwo 4th Print 1999 - 2000 English Base Set #10 - GEM MINT | +1% | $3,802 | |
| December 2024 · 1 sale · median $3,781 | |||||
| 4 | eBay | 1999-2000 Pokémon Base Set 4th Print Holo Mewtwo 10/102 PSA 10 Gem Mint Rare | — | $3,781 | |