Cards › 2019 Panini Crown Royale Kaboom Kevin Garnett #23
Is the 2019 Panini Crown Royale Kaboom Kevin Garnett #23 worth grading?
Live market numbers as of 2026-08-14 — raw vs. graded value, PSA 10 gem rate, and the breakeven math.
Raw value
$542.51
PSA 9 value
$1,900.00
PSA 10 value
$1,900.00
PSA 10 gem rate
15.9%
Based on the numbers below, this card is potentially worth grading — a PSA 10 nets an estimated $999, but the 15.9% gem rate means the 10 is far from guaranteed. Weigh the PSA 9 outcome below.
The breakeven math
| Line item | Amount |
|---|---|
| Raw purchase | $542.51 |
| Sales tax (8%) | $43.40 |
| Grading fee (value tier) | $25.00 |
| Shipping | $5.00 |
| Total cost basis | $615.91 |
| Net at PSA 10 (85% payout) | +$999.09 (+162%) |
| Net at PSA 9 (the downside case) | +$999.09 |
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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Start free trialCard pricing data provided by SportsCardsPro, a service of PriceCharting. Gem rates reflect recent PSA population data (44 graded submissions). Not investment advice — grading outcomes are probabilistic and markets move. © Summit Sports Cards · About · Pricing