Cards › 2025 Panini Mosaic Stained Glass Tetairoa McMillan #3

Is the 2025 Panini Mosaic Stained Glass Tetairoa McMillan #3 worth grading?

Live market numbers as of 2026-08-14 — raw vs. graded value, PSA 10 gem rate, and the breakeven math.

Raw value

$114.63

PSA 9 value

$180.39

PSA 10 value

$350.00

PSA 10 gem rate

38.8%

Based on the numbers below, this card is potentially worth grading — a PSA 10 nets an estimated $144, but the 38.8% gem rate means the 10 is far from guaranteed. Weigh the PSA 9 outcome below.

The breakeven math

Line item	Amount
Raw purchase	$114.63
Sales tax (8%)	$9.17
Grading fee (value tier)	$25.00
Shipping	$5.00
Total cost basis	$153.80
Net at PSA 10 (85% payout)	+$143.70 (+93%)
Net at PSA 9 (the downside case)	−$0.47

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.

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Card pricing data provided by SportsCardsPro, a service of PriceCharting. Gem rates reflect recent PSA population data (116 graded submissions). Not investment advice — grading outcomes are probabilistic and markets move. © Summit Sports Cards · About · Pricing