Base Set · 73/102
Impostor Professor Oak
Most sell between $15 and $20
See these sales on eBay ↗eBay.com sold listings. eBay may ask you to sign in.
Find one under $15 and you beat 3 in 4 recent sales.
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Type the price you're looking at. We'll set it against what Impostor Professor Oak really sold for, version by version.
Most pay $15 to $20Under $15 beats 3 in 4 sales; over $20, shop around.
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Live listings on eBay.com, each set against what its version really sold for.
Listings and prices from eBay.com, in US dollars before shipping. A badge compares a listing's price with what that version sold for; auctions show their bids so far. eBay may pay us a commission when you buy.
Every version, one scale
Impostor Professor Oak by version
Each printing and grade sells as its own thing, so each has its own price. The chart shows versions with 2 or more sales; the table below lists every one.
| Version | Price | Most sell for | Based on | On eBay |
|---|---|---|---|---|
| Unlimited, raw | ~$6 | too few sales | best guess · few sales | Shop Unlimited copies on eBay ↗ |
| Shadowless, raw | $18 | $15 to $20 | solid · 16 sales | Shop Shadowless on eBay ↗ |
| Shadowless, played copy | $5.38 | $3.99 to $14 | good sample · 4 sales | Shop played copies on eBay ↗ |
| 1st Edition, raw | $50 | $45 to $50 | good sample · 6 sales | Shop 1st Edition on eBay ↗ |
| 1st Edition, played copy | $25 | too few sales | good sample · 3 sales | Shop played copies on eBay ↗ |
| Graded Unlimited PSA 8 | ~$20 | too few sales | best guess · few sales | Shop PSA 8 on eBay ↗ |
| Graded Shadowless PSA 9 | $125 | too few sales | good sample · 3 sales | Shop Shadowless PSA 9 on eBay ↗ |
| Graded Shadowless PSA 7 | ~$40 | too few sales | best guess · few sales | Shop Shadowless PSA 7 on eBay ↗ |
| Graded Shadowless PSA 5 | ~$19 | too few sales | best guess · few sales | Shop Shadowless PSA 5 on eBay ↗ |
| Graded 1st Edition PSA 10 | ~$1,898 | too few sales | best guess · few sales | Shop 1st Edition PSA 10 on eBay ↗ |
| Graded 1st Edition CGC 9.5 | ~$55 | too few sales | best guess · few sales | Shop 1st Edition CGC 9.5 on eBay ↗ |
| Graded 1st Edition PSA 9 | ~$214 | too few sales | best guess · few sales | Shop 1st Edition PSA 9 on eBay ↗ |
| Graded 1st Edition CGC 8.5 | ~$41 | too few sales | best guess · few sales | Shop 1st Edition CGC 8.5 on eBay ↗ |
| Graded 1st Edition PSA 6 | ~$32 | too few sales | best guess · few sales | Shop 1st Edition PSA 6 on eBay ↗ |
Prices are the middle of recent eBay sold listings (eBay.com, US dollars), counted by pickthetcg. Left out: the 2021 Celebrations and 2026 30th Anniversary reprints that carry the same number, other languages, metal and custom cards, lots and sealed product. See these sales on eBay · How we price
Other price guides
What the free feeds say
They price from listings and sales on their own sites and often disagree, with eBay and with each other. Ours, $18 for shadowless, raw, is the middle of eBay sales, each printing and grade apart.
- TCGplayer market, Regular
- $6.63
- Cardmarket trend, one price for the card
- €33
TCGplayer as of 15 Oct 2026; Cardmarket as of 21 Feb 2026. Both via pokemontcg.io.
About the card
- Set
- Base Set
- Number
- 73/102
- Rarity
- Rare
- Type
- Trainer
- Illustrator
- Ken Sugimori
- Released
- 9 January 1999
Card details from the open Pokémon TCG data behind pokemontcg.io.
Questions
How much is a Base Set Impostor Professor Oak worth?
An Shadowless Impostor Professor Oak, raw, sells for about $18, with most sales between $15 and $20, from 16 recent eBay sales. Played copies are priced apart.
How much is a 1st Edition Impostor Professor Oak worth?
A raw 1st Edition Impostor Professor Oak sells for about $50 (6 sales); graded, PSA 10 about $1,898, CGC 9.5 about $55, PSA 9 about $214.
How much is a PSA 10 Impostor Professor Oak worth?
A PSA 10 1st Edition Impostor Professor Oak sells for about $1,898, from 2 sales: 102.6 times a raw copy.
How do I tell if my Impostor Professor Oak is 1st Edition?
A 1st Edition card has a small black "Edition 1" stamp on the left, just below the picture. Unlimited copies have no stamp. Early Base Set copies without the stamp but also without the shadow along the right edge of the picture box are Shadowless, priced on their own here.
What set is Impostor Professor Oak from?
Impostor Professor Oak is card 73/102 in Base Set, released 9 January 1999: a rare illustrated by Ken Sugimori.
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