Grovyle

Grading with PSA pays if your copy has better than a 4% chance of a 10.

25% of the 161 copies PSA has graded got a 10. People mostly send their cleanest copies, so a typical raw copy's odds are lower.

Raw (NM)

$102.89

TCGplayer

PSA 10

$1,173

6 sales

PSA 9

$176.25

7 sales

If it misses

$138.35

below 10, by PSA's grades