Frosmoth

Grading with PSA pays if your copy has better than a 93% chance of a 10.

26% of the 435 copies PSA has graded got a 10. People mostly send their cleanest copies, so a typical raw copy's odds are lower.

Raw (NM)

$3.98

TCGplayer

PSA 10

$89.50

9 sales

PSA 9

$18.00

5 sales

If it misses

$15.87

below 10, by PSA's grades