Reshiram-GX

Grading with PSA pays if your copy has better than a 40% chance of a 10.

61% of the 943 copies PSA has graded got a 10. People mostly send their cleanest copies, so a typical raw copy's odds are lower.

Raw (NM)

$33.53

TCGplayer

PSA 10

$212.34

71 sales

PSA 9

$51.00

23 sales

If it misses

$48.03

below 10, by PSA's grades