Karen

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

7% of the 1,317 copies PSA has graded got a 10. People mostly send their cleanest copies, so a typical raw copy's odds are lower.

Raw (NM)

$96.38

TCGplayer

PSA 10

$2,050

5 sales

PSA 9

$140.24

15 sales

If it misses

$88.67

below 10, by PSA's grades