Altaria

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

11% of the 381 copies PSA has graded got a 10. People mostly send their cleanest copies, so a typical raw copy's odds are lower.

Raw (NM)

$62.55

TCGplayer

PSA 10

$1,892

9 sales

PSA 9

$84.97

14 sales

If it misses

$73.77

below 10, by PSA's grades