The 2021 Celebrations Mew EX #88 is valued at $17.81 raw, $39.99 in PSA 9, $121 in PSA 10 as of November 3, 2026. Its market value is down 3.7% over the last 30 days, from $18.49 to $17.81. Across the 88 days we have tracked it, it has ranged from $3.96 to $19.90, and it currently sits 11% below that high. With 1,244 recorded sales, it ranks #395 of 500 Pokémon cards we track by trading volume.
On current values, a PSA 9 ($39.99) is worth $2.82 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($121, 6.8× raw) is worth $78.19 more, so the difference comes down to the grade. The cheapest PSA 10 copy we matched on eBay when we last checked on November 3, 2026 was $120, close to our PSA 10 market value of $121.
About $17.81 raw, $39.99 in PSA 9, $121 in PSA 10, based on our market values as of November 3, 2026. Its market value is down 3.7% over the last 30 days, from $18.49 to $17.81.
On current values, a PSA 9 ($39.99) is worth $2.82 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($121, 6.8× raw) is worth $78.19 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 3, 2026 was $120, close to our PSA 10 market value of $121.