| Oct 12, 26 | CGC 8.5 | 2015 Pokemon XY BREAKthrough Holo M Mewtwo EX #63 CGC 8.5 NM-MT+ · Fanatics | Auction | $42.00 |
| Oct 11, 26 | PSA 9 | 2015 POKEMON XY BREAKTHROUGH M MEWTWO EX #63 PSA 9 MINT #113052369 · eBay | Buy It Now · Best offer | $199.90 |
| Oct 11, 26 | PSA 9 | 2015 Pokémon - XY Breakthrough - M Mewtwo EX 63/162 - PSA 9 Mint · eBay | Buy It Now · Best offer | $124.99 |
| Oct 10, 26 | PSA 9 | 2015 Pokémon - XY Breakthrough - M Mewtwo EX 63/162 - PSA 9 Mint · eBay | Auction | $109.99 |
| Oct 6, 26 | PSA 7 | 2015 POKEMON XY BREAKTHROUGH #63 M MEWTWO EX PSA 7 · eBay | Buy It Now · Best offer | $60.00 |
| Oct 6, 26 | PSA 8 | M Mewtwo EX #63 - 2015 Pokemon XY Breakthrough - PSA 8 ✨✨✨✨✨ · eBay | Auction | $74.99 |
| Oct 5, 26 | PSA 9 | FREE SHIPPING PSA 9 - M Mewtwo EX 63/162 XY BREAKthrough - Pokemon · eBay | Buy It Now · Best offer | $130.00 |
| Oct 4, 26 | PSA 4 | 2015 POKEMON XY BREAKTHROUGH M MEWTWO EX #63 PSA 4 MINT Mega 63/162 · eBay | Auction | $12.50 |
| Oct 3, 26 | PSA 10 | 2015 POKEMON XY BREAKTHROUGH #63 M MEWTWO EX PSA 10 · eBay | Buy It Now · Best offer | $1,300.00 |
| Oct 1, 26 | PSA 9 | 2015 Pokémon - XY Breakthrough - M Mewtwo EX 63/162 - PSA 9 Mint · eBay | Auction | $120.00 |
| Sep 29, 26 | PSA 5 | Pokemon 2015 XY Breakthrough M Mewtwo EX 63/162 Holo Ultra Rare PSA 5 ENG · eBay | Auction | $27.55 |
| Sep 27, 26 | PSA 10 | Mega M Mewtwo EX 63/162 XY Ultra Rare Breakthrough Pokemon PSA 10 *547 · eBay | Auction | $873.00 |
| Sep 25, 26 | PSA 7 | 2015 Pokémon XY Breakthrough M Mewtwo EX #63/162 graded PSA 7 NM · eBay | Auction | $39.99 |
| Sep 19, 26 | PSA 9 | M Mewtwo EX 63/162 - XY Breakthrough - PSA 9 MINT · eBay | Auction | $109.99 |
| Sep 19, 26 | PSA 9 | Pokémon XY Breakthrough M Mewtwo EX #63 PSA 9 · eBay | Auction | $105.00 |
| Sep 18, 26 | PSA 7 | 2015 POKEMON XY BREAKTHROUGH #63 M MEWTWO EX PSA 7 · eBay | Auction | $30.00 |
| Sep 16, 26 | CGC 10 | 2015 Pokemon XY BREAKthrough Holo M Mewtwo Ex #63 CGC 10 GEM MINT · Fanatics | Buy It Now | $80.00 |
| Sep 10, 26 | PSA 1 | 2015 Pokemon XY Breakthrough M Mewtwo EX PSA 1 · eBay | Auction | $69.00 |
| Sep 4, 26 | PSA 7 | 2015 Pokemon XY Breakthrough M Mewtwo EX PSA 7 · eBay | Auction | $55.00 |
| Aug 30, 26 | PSA 10 | Pokemon PSA 10 Mega Mewtwo EX #63 Breakthrough 2015 · eBay | Auction | $850.00 |
| Aug 26, 26 | PSA 10 | 2015 Pokemon XY Breakthrough # 63 Mega Mewtwo EX Holo PSA 10 Card GEM MINT! · eBay | Auction | $599.00 |
| Aug 23, 26 | PSA 10 | Pokémon Mega Mewtwo EX 63/162 Holo Ultra Rare Card XY Breakthrough 2015 PSA 10. · eBay | Auction | $799.99 |
| Aug 22, 26 | PSA 9 | Pokémon TCG XY: Breakthrough M Mewtwo EX Holo Ultra Rare 63/162 PSA 9 · eBay | Auction | $120.00 |
| Aug 21, 26 | PSA 9 | Pokémon TCG XY: Breakthrough M Mewtwo EX Holo Ultra Rare 63/162 PSA 9 · eBay | Buy It Now · Best offer | $115.00 |
| Aug 12, 26 | CGC 8 | 2015 POKEMON XY BREAKTHROUGH #63 M MEWTWO EX CGC 8 · eBay | Auction | $32.00 |
| Aug 11, 26 | PSA 8 | PSA 8 2015 Pokemon XY Breakthrough M Mewtwo EX 63 · eBay | Auction | $60.00 |
| Aug 9, 26 | PSA 8 | PSA 8 NM-Mint 2015 Pokémon - XY Breakthrough - M Mewtwo EX 63/162 · eBay | Auction | $43.00 |
| Aug 6, 26 | PSA 6 | Pokemon 2015 XY Breakthrough M MEWTWO EX #63 PSA 6 RARE · eBay | Auction | $45.00 |
| Jul 31, 26 | CGC 8.5 | 2015 Pokemon XY BREAKthrough Holo M Mewtwo Ex #63 CGC 8.5 NM-MT+ · Fanatics | Buy It Now | $56.00 |
| Jul 27, 26 | PSA 9 | Pokémon XY Breakthrough M Mewtwo EX #63 PSA 9 · eBay | Auction | $107.12 |
| Jul 25, 26 | PSA 10 | PSA 10 Mewtwo EX #63 Holo Mega Pokemon 205 XY Breakthrough Gem Mint Low Pop 250 · eBay | Auction | $850.00 |
| Jul 24, 26 | PSA 9 | PSA 9 - M Mewtwo EX 63/162 XY BREAKthrough - Pokemon · eBay | Buy It Now · Best offer | $121.23 |
| Jul 23, 26 | ACE 10 | Pokemon M Mewtwo EX 63/162 Ultra Rare XY Breakthrough ACE 10 GEM MINT · eBay | Buy It Now · Best offer | $267.40 |
| Jul 22, 26 | CGC 8.5 | 2015 Pokemon XY BREAKthrough Holo M Mewtwo EX #63 CGC 8.5 NM-MT+ · Fanatics | Buy It Now | $45.00 |
| Jul 20, 26 | CGC 5.5 | 2015 Pokemon XY BREAKthrough Holo M Mewtwo EX #63 CGC 5.5 EX+ · Fanatics | Auction | $30.00 |
| Jul 19, 26 | PSA 5 | Pokemon 2015 XY Breakthrough M MEWTWO EX #63 PSA 5 RARE · eBay | Buy It Now · Best offer | $20.00 |
| Jul 16, 26 | ACE 10 | Pokemon M Mewtwo EX 63/162 Ultra Rare XY Breakthrough ACE 10 GEM MINT · eBay | Buy It Now · Best offer | $269.56 |
| Jul 15, 26 | PSA 9 | PSA 9 - M Mewtwo EX 63/162 XY BREAKthrough - Pokemon · eBay | Buy It Now · Best offer | $120.00 |
| Jul 9, 26 | PSA 9 | PSA 9 - M Mewtwo EX 63/162 XY BREAKthrough - Pokemon · eBay | Buy It Now · Best offer | $118.50 |
| Jun 27, 26 | PSA 8 | 2015 Pokemon Xy Breakthrough #63 M Mewtwo Ex Breakthrough PSA 8 · eBay | Auction | $85.00 |
| Jun 26, 26 | PSA 7 | 2015 Pokemon XY Breakthrough M Mewtwo EX Rare Holo ~ 63/162 ~ PSA 7! · eBay | Buy It Now · Best offer | $60.00 |
| Jun 25, 26 | PSA 9 | Pokémon TCG XY: Breakthrough M Mewtwo EX Holo Ultra Rare 63/162 PSA 9 MINT · eBay | Buy It Now · Best offer | $94.99 |
| Jun 23, 26 | PSA 7 | Mega Mewtwo ex #63 XY Breakthrough 2015 Pokemon PSA 7 147340001 · eBay | Auction | $34.00 |
| Jun 23, 26 | PSA 7 | Mega Mewtwo ex #63 XY Breakthrough 2015 Pokemon PSA 7 147340002 · eBay | Auction | $35.00 |
| Jun 22, 26 | PSA 10 | 2015 Pokemon XY BREAKthrough Holo M Mewtwo EX #63 PSA 10 GEM MINT · Fanatics | Auction | $600.00 |
| Jun 17, 26 | PSA 9 | PSA 9 MINT 2015 Pokemon XY Breakthrough M Mewtwo EX 63 (Old style slab!) · eBay | Auction | $105.86 |
| Jun 15, 26 | PSA 10 | 2015 POKEMON XY BREAKTHROUGH #63 M MEWTWO EX PSA 10 · eBay | Auction | $840.00 |
| Jun 14, 26 | PSA 10 | 2015 POKEMON XY BREAKTHROUGH #63 M MEWTWO EX PSA 10 · eBay | Buy It Now · Best offer | $999.99 |
| Jun 10, 26 | Ungraded | 2015 POKEMON XY BREAKTHROUGH #63 M MEWTWO EX · eBay | Buy It Now · Best offer | $22.00 |
| Jun 7, 26 | PSA 10 | 2015 Pokemon XY BREAKthrough Mega Mewtwo Holo #63/162 PSA 10 GEM MINT · eBay | Auction | $799.99 |
