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Slowbro #37

Slowbro #37

Pokemon Japanese Shiny Treasure ex · #037 · Base · Dec 2023

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

No — Not Worth Grading

Should You Grade?

Raw Price
$1.99
Expected Value
$-2.58
Net Profit
$-1.15
Gem Rate
65.0%
ROI
-7%
Sales / Yr
243

Even a PSA 10 would lose $1.15 after the $15.00 grading cost and selling fees. The graded value doesn't justify the investment.

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
$1.99
BGS 10
$79.00
PSA 10
$60.55
SGC 10
$36.00
CGC 10
$15.84
BGS 9.5
$14.00
9
$12.50
8
$6.00
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
65.0%Gem Rate (PSA 10)
16 graded last month
Past month gem rate: 56.0%

Grade Distribution (97 total graded)

97Total
PSA 106364.9%
PSA 93030.9%
PSA 844.1%
© 2026 Should You Grade? Data from PriceCharting & GemRate.
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