Grass Energy #99

Pokemon Base Set · #99 · Base · Jun 1995

Buy Raw on eBayPSA 10 Sold on eBay

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Maybe — Proceed with Caution

Should You Grade?

Raw Price

$1.15

Expected Value

$18.79

Net Profit

$34.57

Gem Rate

31.0%

ROI

+214%

Sales / Yr

220

The gem rate is only 31% — you'll need a very clean copy to hit PSA 10.

Best Tier for Flipping

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

Company	Best Tier	Gem Rate	Pop	10s	Cost	EV	Net Profit	ROI
PSA	PSA Standard	52.3%	8,420	1,250	$20.00	$85.40	$32.50	127%
BGS	BGS Standard	52.3%	8,420	1,250	$20.00	$85.40	$32.50	127%
CGC	CGC Standard	52.3%	8,420	1,250	$20.00	$85.40	$32.50	127%
SGC	SGC Standard	52.3%	8,420	1,250	$20.00	$85.40	$32.50	127%
TAG	TAG Standard	52.3%	8,420	1,250	$20.00	$85.40	$32.50	127%

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

$1.15

BGS 10

$98.00

PSA 10

$75.71

CGC 10

$50.72

BGS 9.5

$48.00

$39.72

$16.43

$11.51

SGC 10

$10.03

View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →

31.0%Gem Rate (PSA 10)

Grade Distribution (1,213 total graded)

1,213Total

PSA 1037631.0%

PSA 949440.7%

PSA 817014.0%

PSA 7675.5%

Below 71018.3%