Midpoint - Card Centering Tool
Potion (Expedition Base Set 156/165) — is it worth grading?

Is Potion worth grading?

Pokémon · Expedition Base Set · 156/165 · full price guide →

Worth grading only if it gems

A PSA 10 Potion brings $32.29 versus $0.47 raw — a $31.82 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($18.68) only about breaks even after fees, so the case rests on gemming.

Raw (NM)
$0.47
PSA 10
$32.29
PSA 9
$18.68
Gem premium
69×
As of
Aug 10, 2026

Break-even by outcome and fee

Potion: net result of grading versus selling raw, by outcome and fee tier
If it comes back…Sells forEconomy / bulk (~$25.00)Standard (~$50.00)Express (~$150)
Gem — PSA 10$32.29+$6.82−$18.18−$118
PSA 9$18.68−$6.79−$31.79−$132
PSA 8$4.01−$21.46−$46.46−$146

Net = sale price − $0.47 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.

Expected value — how often does it need to gem?

Potion: expected value of submitting by gem probability
Chance it gemsExpected saleExpected net (standard fee)
25%$22.08−$28.39
50%$25.48−$24.98
75%$28.89−$21.58

At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.

Which grader pays the most — and what a 10 takes

All centering standards
Potion: top-grade value by grading company with centering tolerance
Grader10 sells forvs bestFront centering for a 10Back
CGC 10$99.99best55/4575/25
PSA 10$72.19−$27.8055/4575/25

Tolerances are each company's published centering standard for its top grade; surface, corners and edges must also be clean. Centering is the one you can measure yourself before you pay.

Potion graded prices by company and grade
GradePSACGC
10$72.19$99.99
9.5$7.05
9$32.88$12.01
8$4.01
6$19.99

Run your own numbers

Should I pay this?

Enter the seller’s asking price to see your net outcome per grade.

Other Expedition Base Set cards worth checking

Full set checklist

Grading Potion — FAQ

Is Potion worth grading?

A PSA 10 Potion brings $32.29 versus $0.47 raw — a $31.82 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($18.68) only about breaks even after fees, so the case rests on gemming.

How much is a PSA 10 Potion worth compared with raw?

A PSA 10 Potion (Expedition Base Set 156/165) sells for about $32.29 versus $0.47 for a raw near-mint copy — a 69× premium as of Aug 10, 2026.

Which grading company is best for Potion?

By resale value, CGC 10 leads at $99.99, ahead of PSA 10 at $72.19. Fees and turnaround differ, so the best-paying label is not always the best net.

What centering does Potion need for a CGC 10?

CGC publishes 55/45 front and 75/25 back centering as the tolerance for a 10 (Gem Mint). Off-center copies are capped below the top grade regardless of surface — measure yours before paying the fee.

Is your Pokémon card centered well enough to grade?

Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.

Check my card free