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Blastoise #31

Blastoise #31

Pokemon Japanese Tag All Stars · #031 · Base · Sep 2022

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

Maybe — Proceed with Caution

Should You Grade?

Raw Price
$3.99
Expected Value
$4.49
Net Profit
$6.01
Gem Rate
87.0%
ROI
+32%
Sales / Yr
176

PSA 10 profit of $6.01 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%
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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
$3.99
BGS 10
$49.99
PSA 10
$45.00
SGC 10
$27.00
CGC 10
$25.00
BGS 9.5
$16.00
9
$13.73
8
$8.55
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
87.0%Gem Rate (PSA 10)
36 graded last month
Past month gem rate: 56.0%

Grade Distribution (1,342 total graded)

1,342Total
PSA 101,17087.2%
PSA 915611.6%
PSA 8100.7%
PSA 740.3%
Below 720.1%
© 2026 Should You Grade? Data from PriceCharting & GemRate.
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