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Blastoise #137

Blastoise #137

Pokemon Plasma Storm · #137 · Base · Feb 2013

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

Maybe — Proceed with Caution

Should You Grade?

Raw Price
$319.00
Expected Value
$566.19
Net Profit
$6,266.00
Gem Rate
3.1%
ROI
+1876%
Sales / Yr
177

The gem rate is only 3% — you'll need a very clean copy to hit PSA 10.

ⓘPopulation data match confidence: 0% — verify on PSA

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
$319.00
BGS 10
$14,300.00
PSA 10
$11,000.00
CGC 10
$6,600.00
SGC 10
$6,600.00
9
$1,310.49
8
$635.00
7
$409.49
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
3.1%Gem Rate (PSA 10)
+16 graded in 30 days
+46 in 90 days

Grade Distribution (1,476 total graded)

1,476Total
PSA 10463.1%
PSA 940527.4%
PSA 845030.5%
PSA 727818.8%
Below 727318.5%
© 2026 Should You Grade? Data from PriceCharting & GemRate.
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