The 2021 Celebrations Mew EX #88 is valued at $16.49 raw, $37.18 in PSA 9, $118 in PSA 10 as of November 4, 2026. Its market value is down 6.3% over the last 30 days, from $17.60 to $16.49. Across the 89 days we have tracked it, it has ranged from $3.96 to $19.90, and it currently sits 17% below that high. With 1,304 recorded sales, it ranks #366 of 500 Pokémon cards we track by trading volume.
On current values, a PSA 9 ($37.18) is worth $4.31 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($118, 7.2× raw) is worth $76.65 more, so the difference comes down to the grade. The cheapest PSA 10 copy we matched on eBay when we last checked on November 4, 2026 was $100, close to our PSA 10 market value of $118.
About $16.49 raw, $37.18 in PSA 9, $118 in PSA 10, based on our market values as of November 4, 2026. Its market value is down 6.3% over the last 30 days, from $17.60 to $16.49.
On current values, a PSA 9 ($37.18) is worth $4.31 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($118, 7.2× raw) is worth $76.65 more, so the difference comes down to the grade. This ignores gem rate and selling fees, so treat it as a best case.
The cheapest PSA 10 copy we matched on eBay when we last checked on November 4, 2026 was $100, close to our PSA 10 market value of $118.