Zinnia

Grading with PSA pays if your copy has better than a 49% chance of a 10.

44% of the 1,550 copies PSA has graded got a 10. People mostly send their cleanest copies, so a typical raw copy's odds are lower.

Raw (NM)

$65.47

TCGplayer

PSA 10

$237.50

55 sales

PSA 9

$62.61

26 sales

If it misses

$55.88

below 10, by PSA's grades