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Blastoise [CoroCoro Magazine] #1/PCG-P

Blastoise [CoroCoro Magazine] #1/PCG-P

Pokemon Japanese Promo · #001 · Aug 1997

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

Maybe — Proceed with Caution

Should You Grade?

Raw Price
$32.77
Expected Value
$91.92
Net Profit
$166.73
Gem Rate
25.0%
ROI
+349%
Sales / Yr
43

The gem rate is only 25% — you'll need a very clean copy to hit PSA 10. Only 43 sales per year — it may take time to find a buyer at full price.

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
$32.77
BGS 10
$778.00
PSA 10
$598.59
SGC 10
$359.00
CGC 10
$214.50
9
$201.84
BGS 9.5
$71.00
8
$66.00
7
$53.00
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
25.0%Gem Rate (PSA 10)
4 graded last month
Past month gem rate: 25.0%

Grade Distribution (179 total graded)

179Total
PSA 104424.6%
PSA 95631.3%
PSA 83620.1%
PSA 72212.3%
Below 71910.6%
© 2026 Should You Grade? Data from PriceCharting & GemRate.
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