Should You Grade?Should You Grade?
Card ExplorerSetsTop CardsPop ScannerMarket ToolsBlogUpgrade
Sign In
Mewtwo [Holo] #51

Mewtwo [Holo] #51

Pokemon Evolutions · #51 · Base · Nov 2016

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

Maybe — Proceed with Caution

Should You Grade?

Raw Price
$5.10
Expected Value
$20.83
Net Profit
$103.90
Gem Rate
13.0%
ROI
+517%
Sales / Yr
272

The gem rate is only 13% — 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
$5.10
BGS 10
$269.00
PSA 10
$207.29
BGS 9.5
$203.00
CGC 10
$124.00
SGC 10
$124.00
9
$32.99
8
$23.00
7
$13.95
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
13.0%Gem Rate (PSA 10)
34 graded last month
Past month gem rate: 3.0%

Grade Distribution (3,127 total graded)

3,127Total
PSA 1039612.7%
PSA 91,78257.0%
PSA 872123.1%
PSA 71233.9%
Below 7993.2%
© 2026 Should You Grade? Data from PriceCharting & GemRate.
AboutContactPrivacy PolicyTerms of ServiceAffiliate Disclosure