Best Pokemon Southern Islands Cards to Grade

Top 18 Pokemon Southern Islands Cards by PSA 10 Payoff, All with Positive Expected Value

Looking for the best Pokemon Southern Islands cards to grade? These are the 18 picks with the highest payoff if the card comes back a PSA 10. Every card here also has positive expected value once every grade outcome is weighted by its real gem rate, so the ranking never recommends a card the math says to skip.

How these numbers work. Expected value weights every PSA grade by how often this card actually earns it, then subtracts the raw price and the $79.99 grading fee. If PSA 10 is the single best-case outcome: PSA 10 price minus raw price minus the grading fee. Selling fees, shipping, and insurance are not deducted — set your own selling fee on any card page.

Prices updated weekly · Last updated October 4, 2026

Mew #1

Positive EV $1,302.34

Raw $341.48 → PSA 10 $85,001.00Gem Rate 0.4%ROI 20068%

$84,579.53

if PSA 10

Togepi #4

Positive EV $871.77

Raw $112.46 → PSA 10 $66,189.24Gem Rate 0.7%ROI 34293%

$65,996.79

if PSA 10

Marill #11

Positive EV $541.15

Raw $101.25 → PSA 10 $25,392.74Gem Rate 1.5%ROI 13911%

$25,211.50

if PSA 10

Slowking #14

Positive EV $777.21

Raw $193.89 → PSA 10 $19,286.85Gem Rate 1.8%ROI 6942%

$19,012.97

if PSA 10

Vileplume #17

Positive EV $300.82

Raw $60.00 → PSA 10 $8,900.00Gem Rate 2.7%ROI 6258%

$8,760.01

if PSA 10

Ledyba #7

Positive EV $227.21

Raw $42.51 → PSA 10 $6,000.00Gem Rate 3.3%ROI 4798%

$5,877.50

if PSA 10

Jigglypuff #8

Positive EV $122.09

Raw $62.11 → PSA 10 $901.00Gem Rate 18.2%ROI 534%

$758.90

if PSA 10

Wartortle #15

Positive EV $125.27

Raw $61.65 → PSA 10 $703.05Gem Rate 23.3%ROI 396%

$561.41

if PSA 10

Lapras #12

Positive EV $126.39

Raw $51.44 → PSA 10 $550.00Gem Rate 26.4%ROI 318%

$418.57

if PSA 10

Butterfree #9

Positive EV $41.99

Raw $46.13 → PSA 10 $459.44Gem Rate 22.7%ROI 264%

$333.32

if PSA 10

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Exeggutor #13

Positive EV $36.37

Raw $35.11 → PSA 10 $440.00Gem Rate 23.6%ROI 282%

$324.90

if PSA 10

Onix #3

Positive EV $46.44

Raw $40.60 → PSA 10 $445.00Gem Rate 23.3%ROI 269%

$324.41

if PSA 10

Ivysaur #5

Positive EV $60.21

Raw $45.90 → PSA 10 $450.00Gem Rate 20.9%ROI 257%

$324.11

if PSA 10

Lickitung #16

Positive EV $65.17

Raw $38.13 → PSA 10 $439.20Gem Rate 28.9%ROI 272%

$321.08

if PSA 10

Pidgeot #2

Positive EV $56.15

Raw $41.50 → PSA 10 $426.05Gem Rate 25.6%ROI 251%

$304.56

if PSA 10

Raticate #6

Positive EV $42.29

Raw $33.00 → PSA 10 $403.82Gem Rate 25.9%ROI 257%

$290.83

if PSA 10

Primeape #18

Positive EV $33.90

Raw $35.87 → PSA 10 $397.76Gem Rate 26.8%ROI 243%

$281.90

if PSA 10

Tentacruel #10

Positive EV $61.43

Raw $47.22 → PSA 10 $398.19Gem Rate 28.2%ROI 213%

$270.98

if PSA 10

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