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St. Marcus Mars [Alternate Art] OP13-091

St. Marcus Mars [Alternate Art] OP13-091

One Piece Japanese Carrying on His Will · #091 · Aug 2025

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

Maybe — Proceed with Caution

Should You Grade?

Raw Price
$9.61
Expected Value
$2.52
Net Profit
$1.39
Gem Rate
61.0%
ROI
+6%
Sales / Yr
85

Only 85 sales per year — it may take time to find a buyer at full price. PSA 10 profit of $1.39 is thin — grading fees and selling costs eat most of the margin.

Best Tier for Flipping

TAG Basic$22.00/card · 30+ business days
Net Profit $42.50
Per-Flip ROI 127%
Annualized 2,340%
Unlock with Pro →

Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.

Profitability by Grading Company

CompanyBest TierGem RatePop10sCostEVNet ProfitROI
PSAPSA Standard52.3%8,4201,250$20.00$85.40$32.50127%
BGSBGS Standard52.3%8,4201,250$20.00$85.40$32.50127%
CGCCGC Standard52.3%8,4201,250$20.00$85.40$32.50127%
SGCSGC Standard52.3%8,4201,250$20.00$85.40$32.50127%
TAGTAG Standard52.3%8,4201,250$20.00$85.40$32.50127%
Compare All Companies with Pro →

Shows the best-value tier from each grading company based on EV, cost, and turnaround. Pop = total graded population; 10s = grade 10 count.

Price by Grade

Raw
$9.61
BGS 10
$294.29
PSA 10
$43.00
9
$30.00
CGC 10
$26.00
SGC 10
$26.00
8
$16.50
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
61.0%Gem Rate (PSA 10)

Grade Distribution (187 total graded)

187Total
PSA 1011461.0%
PSA 96836.4%
PSA 831.6%
Below 721.1%
© 2026 Should You Grade? Data from PriceCharting & GemRate.
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