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![Mewtwo EX [Battle Festa] #XY-P PSA 9](/img/r2/cards/jp-promo-unnumbered-vintage-mewtwo-ex-battle-festa-xy-p/high.webp)
Mewtwo EX [Battle Festa] #XY-P — PSA 9 Price & Value
Unnumbered Vintage Promos (pre-2001) · Japanese
PSA 9 · Mint — median market value
$24.41
Range $17.53–$24.413 PSA 9 sales≈ 1.1× the ungraded price
The PSA 9 Mewtwo EX [Battle Festa] #XY-P from Unnumbered Vintage Promos (pre-2001) (Japanese) has a median market value of $24.41, based on 3 recent graded sales — about 1.1× the ~$21.85 ungraded price. See the full price history and live chart on the Mewtwo EX [Battle Festa] #XY-P card page.
Mewtwo EX [Battle Festa] #XY-P price by grade
Ungraded$21.85
PSA 10$135
PSA 9● current$24.41
PSA 8$10.96
BGS Black$56,390
BGS 10$11,278
PSA 6$15.65
PSA 5$37.56
CGC 10$5,205
SGC 10$5,205
Frequently asked
How much is a PSA 9 Mewtwo EX [Battle Festa] #XY-P worth?
The PSA 9 Mewtwo EX [Battle Festa] #XY-P from Unnumbered Vintage Promos (pre-2001) (Japanese) has a median market value of $24.41, with recent sales ranging $17.53 to $24.41 — based on 3 recent graded sales.
Is a PSA 9 Mewtwo EX [Battle Festa] #XY-P worth more than ungraded?
Yes. A PSA 9 copy has a median value of $24.41 versus about $21.85 ungraded — roughly a 1.1× premium for the PSA 9 grade.
Where do PokéTT's PSA 9 prices come from?
PokéTT tracks real graded sales across eBay, Yahoo Auctions and Mercari, then shows the median within the PSA 9 grade — not a single outlier sale — so the mark reflects the true market.