Slowpoke [Master Ball] #18

Prismatic Evolutions

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

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Slowpoke [Master Ball] #18 PSA 10: price & population

PSA 10

$132.28

Raw

$7.10

PSA 10 pop

225

Gem rate

31.4%

A PSA 10 Slowpoke [Master Ball] #18 from Prismatic Evolutions sells for $132.28 — a 1,763% premium over the $7.10 raw price. PSA has graded this card 717 times; 225 came back a 10 (31.4% gem rate), and 343 a PSA 9.

The 9-to-10 spread

PSA 9 sells for $18.49. The jump from 9 to 10 is worth $113.79 — that spread, times your real odds of the 10, is what decides whether grading pays.

Run this card's full grading math →

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