Professor Oak [1st Edition] #88

Pokemon Base Set · #88 · Jun 1995

Buy Raw on eBayPSA 10 Sold on eBay

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Maybe — Proceed with Caution

Should You Grade?

Raw Price

$28.00

Expected Value

$86.70

Net Profit

$182.00

Gem Rate

27.0%

ROI

+423%

Sales / Yr

162

The gem rate is only 27% — 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

$28.00

BGS 10

$2,344.00

PSA 10

$1,802.73

SGC 10

$1,082.00

CGC 10

$225.00

BGS 9.5

$137.50

$136.94

$64.76

$25.82

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

27.0%Gem Rate (PSA 10)

+2 graded in 30 days

+2 in 90 days

Grade Distribution (578 total graded)

578Total

PSA 1015627.0%

PSA 922739.3%

PSA 89316.1%

PSA 7457.8%

Below 7549.3%