Blastoise EX [1st Edition] #21

Japanese 20th Anniversary

Full card page & price history PSA 10 price & population Should you grade it?

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Blastoise EX [1st Edition] #21 PSA 10: price & population

PSA 10

$93.17

Raw

$17.50

PSA 10 pop

331

Gem rate

81.9%

A PSA 10 Blastoise EX [1st Edition] #21 from Japanese 20th Anniversary sells for $93.17 — a 432% premium over the $17.50 raw price. PSA has graded this card 404 times; 331 came back a 10 (81.9% gem rate), and 64 a PSA 9.

The 9-to-10 spread

PSA 9 sells for $22.50. The jump from 9 to 10 is worth $70.67 — that spread, times your real odds of the 10, is what decides whether grading pays.

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Prices from real completed sales, updated daily. Population data from PSA's public population report.