Best Professor Cards to Grade

The Professor 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: Professor Juniper (Plasma Freeze) at +$2,662 best-case net.

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

#	Card	Raw	PSA 10	Cost	Net (best)	Risk-adj.
1	Professor JuniperPlasma Freeze #116	$111	$2,998	$225	+$2,662	—
2	Impostor Professor OakBase #73 · 14.8% gem rate	$8	$720	$87	+$624	+$85
3	Professor Elm's LectureLost Thunder #213 · 30.8% gem rate	$143	$616	$86	+$387	+$69
4	Professor Oak's ResearchExpedition Base Set #149 · 11.5% gem rate	$30	$200	$72	+$98	−$45
5	Professor Oak's SetupCosmic Eclipse #233 · 52.3% gem rate	$92	$261	$73	+$96	+$13
6	Professor SycamoreSteam Siege #114 · 34.4% gem rate	$10	$161	$72	+$79	−$10
7	Professor Elm's Training MethodExpedition Base Set #148 · 15.4% gem rate	$47	$165	$72	+$46	−$40

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 Professor cardsGrading ROI indexROI calculator