The 2023 Japanese Scarlet & Violet 151 Blastoise EX #9 is valued at $2.19 raw, $20.00 in PSA 9, $50.00 in PSA 10 as of September 27, 2026. With 970 recorded sales, it ranks #465 of 500 Pokémon cards we track by trading volume.
On current values, a PSA 9 ($20.00) is worth $7.19 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($50.00, 22.8× raw) is worth $22.81 more, so the difference comes down to the grade.
About $2.19 raw, $20.00 in PSA 9, $50.00 in PSA 10, based on our market values as of September 27, 2026.
On current values, a PSA 9 ($20.00) is worth $7.19 less than a raw copy plus a $25.00 grading fee, while a PSA 10 ($50.00, 22.8× raw) is worth $22.81 more, so the difference comes down to the grade. This ignores gem rate and selling fees, so treat it as a best case.