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 +$2,777 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 · 1.1% gem rate	$48	$3,050	$225	+$2,777	−$180
2	Professor Elm's LectureLost Thunder #213 · 30.8% gem rate	$152	$610	$86	+$371	+$59
3	Professor Elm's LectureLost Thunder #188a · 18% gem rate	$24	$350	$73	+$253	+$19
4	Professor RowanDiamond & Pearl #112 · 2.9% gem rate	$20	$270	$73	+$177	−$63
5	Impostor Professor OakBase #73 · 6.3% gem rate	$6	$217	$72	+$139	−$41
6	Professor Oak's SetupCosmic Eclipse #233 · 52.3% gem rate	$91	$285	$73	+$122	+$26
7	Professor SycamoreSteam Siege #114 · 34.4% gem rate	$11	$140	$71	+$58	−$20
8	Impostor Professor Oak's InventionNeo Destiny #94 · 25.4% gem rate	$8	$83	$71	+$4	−$41
9	Professor Sada's VitalityParadox Rift #256 · 32.6% gem rate	$8	$80	$71	+$1	−$42

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).

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