Cards › 2021 Panini Prizm Draft Picks On Campus Patrick Mahomes II #OC-PM

Is the 2021 Panini Prizm Draft Picks On Campus Patrick Mahomes II #OC-PM worth grading?

Live market numbers as of 2026-06-22 — raw vs. graded value, PSA 10 gem rate, and the breakeven math.

Raw value

$139.15

PSA 9 value

$180.00

PSA 10 value

$352.86

PSA 10 gem rate

33.1%

Based on the numbers below, this card is potentially worth grading — a PSA 10 nets an estimated $120, but the 33.1% gem rate means the 10 is far from guaranteed. Weigh the PSA 9 outcome below.

The breakeven math

Line item	Amount
Raw purchase	$139.15
Sales tax (8%)	$11.13
Grading fee (value tier)	$25.00
Shipping	$5.00
Total cost basis	$180.28
Net at PSA 10 (85% payout)	+$119.65 (+66%)
Net at PSA 9 (the downside case)	−$27.28

Assumptions: $25 grading, $5 shipping, 8% tax on the raw purchase, and keeping 85% of the sale after marketplace fees. Your numbers will differ — run them below.

Run this card with YOUR costs

Set your own grading tier, tax rate, and payout — then screen the entire catalog for cards that beat this one. Free for 14 days, no credit card.

Start free trial

Card pricing data provided by SportsCardsPro, a service of PriceCharting. Gem rates reflect recent PSA population data (245 graded submissions). Not investment advice — grading outcomes are probabilistic and markets move. © Summit Sports Cards · About · Pricing