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Grass Energy #99

Grass Energy #99

Pokemon Base Set · #99 · Base · Jun 1995

Buy Raw on eBayPSA 10 Sold on eBay
Shop on TCGPlayer

Maybe — Proceed with Caution

Should You Grade?

Raw Price
$0.70
Expected Value
$18.17
Net Profit
$33.97
Gem Rate
29.9%
ROI
+216%
Sales / Yr
234

The gem rate is only 30% — 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
$0.70
BGS 10
$128.00
PSA 10
$98.75
CGC 10
$49.67
BGS 9.5
$48.00
9
$40.49
SGC 10
$19.75
8
$14.36
7
$11.50
View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →
0%100%
29.9%Gem Rate (PSA 10)
+10 graded in 30 days
+46 in 90 days

Grade Distribution (1,259 total graded)

1,259Total
PSA 1037629.9%
PSA 950139.8%
PSA 818714.9%
PSA 7806.4%
Below 71108.7%
© 2026 Should You Grade? Data from PriceCharting & GemRate.
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