Zekrom

Grading with PSA pays if your copy has better than a 61% chance of a 10.

65% of the 14,341 copies PSA has graded got a 10. People mostly send their cleanest copies, so a typical raw copy's odds are lower.

Raw (NM)

$15.25

TCGplayer

PSA 10

$129.03

388 sales

PSA 9

$43.00

196 sales

If it misses

$42.10

below 10, by PSA's grades