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

$0.55

Expected Value

$16.35

Net Profit

$32.49

Gem Rate

30.3%

ROI

+209%

Sales / Yr

220

The gem rate is only 30% — 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

$0.55

BGS 10

$108.00

PSA 10

$83.43

CGC 10

$48.04

BGS 9.5

$48.00

$36.88

SGC 10

$19.74

$12.66

$11.24

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

30.3%Gem Rate (PSA 10)

+4 graded in 30 days

+33 in 90 days

Grade Distribution (1,241 total graded)

1,241Total

PSA 1037630.3%

PSA 949740.0%

PSA 817714.3%

PSA 7796.4%

Below 71078.6%