Mewtwo EX
The Best of XY - 42/171
Ungraded
Purchase price
$
Quantity
Ungraded
Purchase price
$
Quantity
Market prices
Mewtwo EX 42/171 from The Best of XY sells for $16.40 ungraded: the median of 5 completed sales over the last 90 days, as of October 6, 2026. Graded copies: PSA 10 at $129.69 (15 sales) and CGC 10 at $155.89 (1 sale).
Graded population: CGC 107 copies (68.2% in 10), BGS 10 copies (10.0% in 10), and CCC 1 copy, as of October 1, 2026.
Ungraded
MedianRangeSales
90 days$16.40$14.46 – $18.365 sales
Median by period. Short periods can rest on a handful of sales: the count is shown next to each price, and prices marked “est.” are indicative.
Graded Prices
PSA
| Grade | Median | Sales |
|---|---|---|
| PSA 10 | $129.69 | 15 sales |
| PSA 9 | $37.79est. | 1 sale |
CGC
| Grade | Median | Sales |
|---|---|---|
| CGC Pristine 10 | $146.89est. | 1 sale |
| CGC 10 | $155.89est. | 1 sale |
Actual prices may vary.
Graded population report — Mewtwo EX #42
Updated monthly · as of October 2026
CGC
| Grade | Pop |
|---|---|
| Pristine 10 | 41 |
| Gem Mint 10 | 32 |
| 9.5 | 7 |
| 9 | 14 |
| 8.5 | 10 |
| 8 | 2 |
| 6.5 | 1 |
0%20%40%
BGS
| Grade | Pop |
|---|---|
| Pristine 10 | 1 |
| 9.5 | 8 |
| 9 | 1 |
0%40%80%
Card details
Types
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Attacks
This attack does 30 damage times the amount of Psychic Energy attached to this Pokémon.
Weaknesses
Information
License
Language
Japanese
Series
Release date
4/21/2017
Rarity
None
Card number
42
Total cards
171
Species
Illustrator
