Should You Grade?Should You Grade?
Card ExplorerSetsTop CardsPop ScannerMarket ToolsBlogUpgrade
Sign In
Mew [Glossy] #151

Mew [Glossy] #151

Pokemon Japanese CD Promo · #151 · Jun 1999

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

Maybe — Proceed with Caution

Should You Grade?

Raw Price
$87.50
Expected Value
$183.80
Net Profit
$659.95
Gem Rate
7.3%
ROI
+644%
Sales / Yr
351

The gem rate is only 7% — you'll need a very clean copy to hit PSA 10.

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
$87.50
BGS 10
$3,058.00
PSA 10
$2,352.26
SGC 10
$1,411.00
CGC 10
$762.45
9
$344.89
8
$310.00
7
$45.68
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
7.3%Gem Rate (PSA 10)
+75 graded in 30 days
+171 in 90 days

Grade Distribution (2,261 total graded)

2,261Total
PSA 101657.3%
PSA 970631.2%
PSA 876133.7%
PSA 730913.7%
Below 729813.2%
© 2026 Should You Grade? Data from PriceCharting & GemRate.
AboutContactPrivacy PolicyTerms of ServiceAffiliate Disclosure