Impostor Professor OakBase Set 73/102 price & value
Ungraded · near mint
Moderate data$14.02
- PSA 10
- $390
- PSA 9
- $80.00
- PSA 8
- $40.37
Prices updated today · How we price cards
Printings
- Unlimited · this page$14.02 ungraded
- 1st Edition$25.00 ungraded
- Shadowless$13.49 ungraded
About this card
As of Sep 28, 2026, Impostor Professor Oak 73/102 from Base Set is worth about $14.02 ungraded in near-mint condition and $390 graded PSA 10. That value is based on 3 recorded sales in the last 90 days.
This page prices the Unlimited print. A 1st Edition Impostor Professor Oak sells for about $25.00 ungraded. A Shadowless Impostor Professor Oak sells for about $13.49 ungraded.
Impostor Professor Oak is card 73 of 102 in the Base Set price guide, a set released in January 1999 during the Wizards of the Coast era. Its rarity is Rare. The artwork is by Ken Sugimori. In the checklist it sits after Devolution Spray 72/102 and before Item Finder 74/102.
It is the 17th most valuable of the 102 priced cards in Base Set, behind Charizard 4/102 (see the most valuable Base Set cards). A PSA 10 copy is valued at about 28× the ungraded price, and a PSA 9 at $80.00, so condition matters a lot for this card.
Price history
- Now
- $14.02
- 4 weeks
- +197%
- 90 days
- +205%
- 1 year
- +260%
- Highest
- $14.02
- Lowest
- $2.66
Recorded history starts January 2021. Earlier history is monthly averages; from August 29, 2026 the line is a 7-day average of daily prices, so single-day swings don’t show.
Matched sold listings
Recent sales
20 on record
PSA 8Pokémon TCG Impostor Professor Oak 73/102 Base Set Rare Regular EN 1999 PSA 8Sep 12, 2026 · eBay · View listing$20.00
RawImpostor Professor Oak - 73/102 Base Set - Pokémon TCG - 1999Aug 9, 2026 · eBay · View listing$4.99- PSA 8PSA 8 - Pokemon Card - Base 73/102 - IMPOSTER PROFESSOR OAK (rare) - NM-MTAug 8, 2026 · eBay · View listing$65.89
- RawImposter Professor Oak 73/102 Rare Base Set Unlimited Pokemon Lightly PlayedJun 27, 2026 · eBay · Listed as lightly played · View listing$7.49
- RawImposter Professor Oak 73/102 Rare Base Set Unlimited Pokemon Moderately PlayedJun 27, 2026 · eBay · Listed as moderately played · View listing$3.49
- RawImposter Professor Oak 73/102 Rare: 1999-2000 Base Set Pokemon Trading Card GameJun 27, 2026 · eBay · View listing$9.19
- RawPokemon Cards Holo/Rare - You Choose - WOTC - Base set - Fossil - Team Rocket +Jun 27, 2026 · eBay · View listing$3.29
- RawPokémon Company Imposter Professor Oak 73/102 Base Set Regular Rare UnlimitedJun 27, 2026 · eBay · View listing$6.99
Card details
- Set
- Base Set
- Number
- 73/102
- Rarity
- Rare
- Released
- Jan 9, 1999
- Illustrator
- Ken Sugimori
- Printings
- 1st Edition, Unlimited
Next in the binder
Nearby in Base Set
Base Set
Chase cards from this set
Common questions
How much is Impostor Professor Oak 73/102 Base Set worth?
As of Sep 28, 2026, Impostor Professor Oak 73/102 Base Set is worth about $14.02 ungraded in near-mint condition. Recent prices range from $5.71 to $14.02. A PSA 10 copy is worth about $390. How we price cards.
How much is a PSA 10 Impostor Professor Oak 73/102 worth?
A PSA 10 Impostor Professor Oak 73/102 Base Set is worth about $390; PSA 9 about $80.00; PSA 8 about $40.37; PSA 7 about $22.00. That is about 28× the ungraded value.
How often does Impostor Professor Oak 73/102 sell?
Impostor Professor Oak 73/102 Base Set recorded 3 sales in the last 90 days (1 in the last 30), most recently on Sep 12, 2026. The highest recent sale was $65.89 for a PSA 8 copy on Aug 8, 2026.
What is the most valuable card in Base Set?
The most valuable card in Base Set is Charizard 4/102, at about $534 ungraded. Impostor Professor Oak 73/102 ranks 17th of 102. See the full Base Set ranking.
What set is Impostor Professor Oak 73/102 from?
Impostor Professor Oak 73/102 is from the English Pokémon TCG set Base Set, released Jan 9, 1999, in the Wizards of the Coast era. Its rarity is Rare.