Card grading guides
One page per pick: comps, PSA pop, the grading ROI math, and what to check before you submit. Data updated Oct 17, 2026.
- Basketball·High confidence·GRADE · 57.0% exp. net ROI·max buy $1,448.31
2023 Panini Prizm Victor Wembanyama Silver #136 RC
The deepest pop on the sheet and the widest 10-to-9 spread: a 10 is worth about 3× a 9.
- Football·Medium confidence·GRADE · 41.0% exp. net ROI·max buy $858.47
2024 Panini Donruss Optic Downtown Josh Allen #2
The biggest PSA 10 multiple of the football picks (about 2.3× the PSA 9), but it's a coin flip on the 10.
- Basketball·Medium confidence·GRADE · 38.8% exp. net ROI·max buy $1,533.73
2024 Panini Donruss Optic Downtown Luka Doncic #1
A PSA 10 at more than 2× the PSA 9 with a 64% gem rate, but raw copies are hard to find.
- Football·High confidence·GRADE · 37.8% exp. net ROI·max buy $928.04
2025 Panini Donruss Downtown Patrick Mahomes II #8
A 77% gem rate on a deep pop, with a PSA 9 that sits above the raw average, keeps the downside small.
- Basketball·Medium confidence·GRADE · 36.4% exp. net ROI·max buy $3,062.96
2024 Panini Donruss Optic Downtown Stephen Curry #3
An 81% gem rate and a PSA 9 well above the raw average, if you can find a raw copy at all.
- Football·Medium confidence·GRADE · 29.4% exp. net ROI·max buy $382.79
2025 Panini Donruss Downtown Ashton Jeanty #11 RC
A 76% gem rate on a rookie Downtown, but rookie pricing can move fast with on-field results.
- Football·High confidence·GRADE · 27.4% exp. net ROI·max buy $371.87
2025 Panini Donruss Downtown Lamar Jackson #1
The cheapest entry on the sheet: the PSA 9 sits above the raw average and a 10 roughly doubles the raw price.
- Basketball·Low confidence·PASS · 18.7% exp. net ROI·max buy $893.91
2024 Panini Donruss Optic Downtown Giannis Antetokounmpo #8
A 77% gem rate on a thin pop, but at today's only raw ask the math no longer clears our bar. PASS unless you can buy at or under the cap.