![Cloyster [Reverse Holo] #91](https://storage.googleapis.com/images.pricecharting.com/n5bdb6jpmbootfft/1600.jpg)
Cloyster [Reverse Holo] #91
Pokemon Scarlet & Violet 151 · #091 · Reverse Holo · Sep 2023
No — Not Worth Grading
Should You Grade?
Raw Price
$0.40
Expected Value
$-7.70
Net Profit
$-7.90
Gem Rate
58.5%
ROI
-51%
Sales / Yr
173
Even a PSA 10 would lose $7.90 after the $15.00 grading cost and selling fees. The graded value doesn't justify the investment.
Best Tier for Flipping
Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.
Profitability by Grading Company
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
$0.40
BGS 10
$37.00
PSA 10
$28.76
SGC 10
$17.00
BGS 9.5
$13.00
9
$11.45
CGC 10
$7.50
58.5%Gem Rate (PSA 10)
+2 graded in 30 days
+4 in 90 days
⚠ Small sample size — gem rates based on only 41 graded cards may be unreliable.
Grade Distribution (41 total graded)
41Total
PSA 102458.5%
PSA 91434.1%
PSA 812.4%
Below 712.4%