
Perrin #220
Pokemon Twilight Masquerade · #220 · Special Illustration Rare · May 2024
Maybe — Proceed with Caution
Should You Grade?
Raw Price
$169.31
Expected Value
$-4.53
Net Profit
$10.27
Gem Rate
47.6%
ROI
+6%
Sales / Yr
718
Negative expected value ($-4.53) — while a PSA 10 would be profitable, the probability-weighted outcome across all grades means you lose money on average at this grading tier. PSA 10 profit of $10.27 is thin — grading fees and selling costs eat most of the margin.
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
$169.31
BGS 10
$528.00
PSA 10
$406.50
CGC 10
$194.58
SGC 10
$179.90
9
$169.31
8
$145.50
BGS 9.5
$99.00
7
$64.45
47.6%Gem Rate (PSA 10)
+137 graded in 30 days
+354 in 90 days
Grade Distribution (6,572 total graded)
6,572Total
PSA 103,12647.6%
PSA 92,78142.3%
PSA 85258.0%
PSA 7951.4%
Below 7300.5%
