Cards › 2025 Topps Chrome Sleek Finishers Cooper Flagg #SF-21

Is the 2025 Topps Chrome Sleek Finishers Cooper Flagg #SF-21 worth grading?

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

Raw value

$10.26

PSA 9 value

$28.46

PSA 10 value

$92.18

PSA 10 gem rate

78.2%

Based on the numbers below, this card is a strong grading candidate at current prices: a PSA 10 nets an estimated $37 profit and 78.2% of recent submissions gemmed.

The breakeven math

Line item	Amount
Raw purchase	$10.26
Sales tax (8%)	$0.82
Grading fee (value tier)	$25.00
Shipping	$5.00
Total cost basis	$41.08
Net at PSA 10 (85% payout)	+$37.27 (+91%)
Net at PSA 9 (the downside case)	−$16.89

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 (560 graded submissions). Not investment advice — grading outcomes are probabilistic and markets move. © Summit Sports Cards · About · Pricing