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Mewtwo & Mew GX #SM191

Mewtwo & Mew GX #SM191

Pokemon Promo · #SM191 · Nov 2016

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

Yes — Grade it!

Should You Grade?

Raw Price
$317.50
Expected Value
$286.66
Net Profit
$452.81
Gem Rate
53.0%
ROI
+136%
Sales / Yr
1,616

This card has strong grading potential — $452.81 profit if PSA 10 with a 53% gem rate and 1,616 annual sales. The market is liquid enough to sell quickly.

Best Tier for Flipping

TAG Basic$22.00/card · 30+ business days
Net Profit $42.50
Per-Flip ROI 127%
Annualized 2,340%
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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
$317.50
BGS 10
$2,600.00
PSA 10
$2,125.00
CGC 10
$785.31
SGC 10
$506.64
BGS 9.5
$500.00
9
$475.00
8
$340.00
7
$315.00
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
53.0%Gem Rate (PSA 10)
571 graded last month
Past month gem rate: 37.0%

Grade Distribution (16,269 total graded)

16,269Total
PSA 108,62853.0%
PSA 95,44033.4%
PSA 81,2747.8%
PSA 73622.2%
Below 75563.4%

eBay Market Signals

3–4 month horizon
Raw
30 days tracked
Active
42
30-day avg listings
Sold/day
2.4
84 resolved
Days to sell
7.0d
p90 21d
Liquidity
62%
sold ÷ listed
Supply 30d
+12.0%
Price 30d
+8.0%
PSA 10
30 days tracked
Active
11
30-day avg listings
Sold/day
0.30
14 resolved
Days to sell
18d
p90 46d
Liquidity
48%
sold ÷ listed
Supply 30d
-6.0%
Price 30d
+14.0%
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© 2026 Should You Grade? Data from PriceCharting & GemRate.
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