Larvitar

Grading with PSA pays if your copy has better than a 25% chance of a 10.

25% of the 69 copies PSA has graded got a 10. People mostly send their cleanest copies, so a typical raw copy's odds are lower.

Raw (NM)

$11.67

TCGplayer

PSA 10

$244.82

6 sales

PSA 9

$56.49

6 sales

If it misses

$39.25

below 10, by PSA's grades