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Tapu Koko #SM30a

Tapu Koko #SM30a

Pokemon Promo · #SM30a · Jul 1999

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

No — Not Worth Grading

Should You Grade?

Raw Price
$6.18
Expected Value
$-12.99
Net Profit
$-15.00
Gem Rate
0.0%
ROI
-71%
Sales / Yr
12

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

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
$6.18
BGS 9.5
$12.00
9
$10.50
8
$6.51
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
0.0%Gem Rate (PSA 10)
Past month gem rate: 0.0%
⚠ Small sample size — gem rates based on only 18 graded cards may be unreliable.

Grade Distribution (18 total graded)

18Total
PSA 9844.4%
PSA 8633.3%
PSA 715.6%
Below 7316.7%
© 2026 Should You Grade? Data from PriceCharting & GemRate.
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