Best Walrein Cards to Grade

The Walrein cards where grading pays off most — ranked by net profit from raw to PSA 10 after real grading costs, with each card's estimated gem rate and risk-adjusted return. Top pick: Walrein ex (Legend Maker) at +$2,854 best-case net.

Best cards to grade, ranked by risk-adjusted grading profit

#	Card	Raw	PSA 10	Cost	Net (best)	Risk-adj.
1	Walrein exLegend Maker #89 · 8.3% gem rate	$69	$3,150	$226	+$2,854	+$99
2	Walrein exPower Keepers #99 · 12.6% gem rate	$55	$1,719	$122	+$1,542	+$137
3	Team Aqua's WalreinTeam Magma vs Team Aqua #6 · 8.8% gem rate	$11	$750	$87	+$652	−$2
4	WalreinHidden Legends #15 · 21.5% gem rate	$16	$525	$85	+$424	+$35

Net (best) = PSA 10 value − raw value − grading cost (PSA fees as of 2026-06-28). Risk-adjusted weights every grade by its estimated likelihood from PSA population (cumulative and biased toward nicer copies — a guide, not a guarantee).

← All Walrein cardsGrading ROI indexROI calculator