Mewtwo & Mew GX - SM191 #SM191
Pokémon · SM Promos

Mewtwo & Mew GX - SM191 PSA 10 price and graded values
| Grade | Price | vs. ungraded |
|---|---|---|
| Ungraded | $310.24 | — |
| PSA 8 | $355.57 | 1.1× |
| PSA 9 | $477.50 | 1.5× |
| PSA 10 | $1,617.34 | 5.2× |
| BGS 10 | $3,357.66 | 10.8× |
| CGC 10 | $1,011.16 | 3.3× |
Graded and ungraded sale prices from PriceCharting, updated November 2, 2026. The TCGplayer market price above is a separate listing average and can differ.
Is Mewtwo & Mew GX - SM191 #SM191 worth grading?
Strong grading candidate. Even a PSA 9 Mewtwo & Mew GX - SM191 sells for about $477.50, 1.5× the ungraded price of $310.24, and a PSA 10 reaches $1,617.34. A clean copy has room to cover grading and shipping fees even if it misses the 10.
What to check before grading Mewtwo & Mew GX - SM191
- Back edges: the dark blue Pokémon back shows whitening first, so check all four back edges under bright light.
- Surface: tilt the card under a bright light to catch print lines, scratches, and indents that a straight-on photo misses.
- Centering: PSA 10 allows roughly 55/45 to 60/40 on the front and 75/25 on the back.
Measure the borders with the card centering calculator, or read the Pokémon card grading guide.
Mewtwo & Mew GX - SM191 grading FAQ
How much is Mewtwo & Mew GX - SM191 #SM191 worth in PSA 10?
Mewtwo & Mew GX - SM191 #SM191 from SM Promos sells for about $1,617.34 in PSA 10 and $477.50 in PSA 9, compared with about $310.24 ungraded.
Is Mewtwo & Mew GX - SM191 #SM191 worth grading?
Strong grading candidate. Even a PSA 9 Mewtwo & Mew GX - SM191 sells for about $477.50, 1.5× the ungraded price of $310.24, and a PSA 10 reaches $1,617.34. A clean copy has room to cover grading and shipping fees even if it misses the 10.
How can I check my Mewtwo & Mew GX - SM191 before grading?
Photograph the front and back in even light and run a free AI pre-grade with Card Grading AI. It scores centering, corners, edges, and surface so you can decide whether the card is worth submitting to PSA, BGS, or CGC.
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Prices and product images via TCGplayer / TCG API for reference. CheckTCGplayer for current listings. Game names and card images belong to their respective rights holders. Card Grading AI is not affiliated with, endorsed by, or sponsored by those publishers.