Impostor Professor Oak
Base Set · Base
- Number
- #73 / 102
- Supertype
- Trainer
- Rarity
- Rare
- Artist
- Ken Sugimori
Market Price
Last Sale
$5.96
as of ~Aug 2026
Lowest Ask
$4.10
Price History
Market Price↑ +9.4% (3M)
Market Signal
Recent price data for this card is too sparse or conflicts with the chart, so we are not showing a trend signal right now.
90d Range
$5.45$8.44
17% above 90d low
Volatility
moderate4.8%
Signal uses price history only. Grading ROI, graded-market trend, and population scarcity activate when graded data is available.
Grading ROI Calculator
Enter your estimated sale price for each grade.
Sale price by grade (edit to override)
Grade 10
Grade 9
Grade 8
Grade 7
Grade 6
Grading company
Sell platform
| Grade | Sale Price | Grading Fee | Platform Fees | Net Profit | ROI% |
|---|---|---|---|---|---|
| 10 | $5.96 | $49.99 | $1.19 | -$45.22 | -90.5% |
| 9 | $2.38 | $49.99 | $0.72 | -$48.33 | -96.7% |
| 8 | $1.19 | $49.99 | $0.56 | -$49.36 | -98.7% |
| 7 | $0.72 | $49.99 | $0.50 | -$49.77 | -99.6% |
| 6 | $0.48 | $49.99 | $0.46 | -$49.97 | -100.0% |
Tax estimated at 28% max (long-term collectibles, IRC §1(h)(4)). Tax column hidden: enter a cost basis to see estimates. Platform fees generally reduce take-home but not your IRS capital gain.
Get detailed grade recommendation →Sign in to save this scenario to your portfolio.