KoffingBase Set 51/102 price & value
Ungraded · near mint
Moderate data$1.71
- PSA 10
- $134
- PSA 9
- $45.00
- PSA 8
- $31.41
Prices updated today · How we price cards
Printings
- Unlimited · this page$1.71 ungraded
- 1st Edition$21.50 ungraded
- Shadowless$2.99 ungraded
About this card
As of Sep 28, 2026, Koffing 51/102 from Base Set is worth about $1.71 ungraded in near-mint condition and $134 graded PSA 10. That value is based on 90 recorded sales in the last 90 days.
This page prices the Unlimited print. A 1st Edition Koffing sells for about $21.50 ungraded. A Shadowless Koffing sells for about $2.99 ungraded.
Koffing is card 51 of 102 in the Base Set price guide, a set released in January 1999 during the Wizards of the Coast era. Its rarity is Common. The artwork is by Mitsuhiro Arita. In the checklist it sits after Gastly 50/102 and before Machop 52/102.
It is the 82nd 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 78× the ungraded price, and a PSA 9 at $45.00, so condition matters a lot for this card.
It is one of 29 English Koffing cards, and ranks 8th among them by ungraded value; the most valuable is Koffing from Cosmic Eclipse. Compare them all in the most valuable Koffing cards.
Price history
- Now
- $1.71
- 4 weeks
- +50%
- 90 days
- +14%
- 1 year
- +28%
- Highest
- $2.06
- Lowest
- $0.73
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
24 on record
- CGC 6.51999 Pokemon Base Set Koffing #51 CGC 6.5 EXMT+Sep 23, 2026 · Fanatics Collect · View listing$36.00
RawKoffing 51/102 Common Base Set Unlimited Pokemon Moderately PlayedSep 22, 2026 · eBay · Listed as moderately played · View listing$1.79
PSA 101999 Pokémon Koffing Unlimited 51/102 Base Set - PSA 10Sep 22, 2026 · eBay · View listing$200
RawKoffing 51/102 Common Base Set Unlimited Pokemon Near MintSep 21, 2026 · eBay · Listed as near mint · View listing$2.69
RawKoffing - Pokémon TCG - Base Set - 51/102 - Regular Unlimited - Common - 🔟Sep 21, 2026 · eBay · View listing$1.72
PSA 91999 English Pokemon Base Set Unlimited Koffing Card 51/102 PSA 9Sep 21, 2026 · eBay · View listing$64.99
RawKoffing 51/102 Common Base Set Unlimited Pokemon Near MintSep 19, 2026 · eBay · Listed as near mint · View listing$1.49
RawPokémon - Koffing 51/102 Base Set Unlimited - Vintage LPSep 17, 2026 · eBay · Listed as lightly played · View listing$1.32
Card details
Same Pokémon
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Base Set
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Common questions
How much is Koffing 51/102 Base Set worth?
As of Sep 28, 2026, Koffing 51/102 Base Set is worth about $1.71 ungraded in near-mint condition. Recent prices range from $0.81 to $1.71. A PSA 10 copy is worth about $134. How we price cards.
How much is a PSA 10 Koffing 51/102 worth?
A PSA 10 Koffing 51/102 Base Set is worth about $134; PSA 9 about $45.00; PSA 8 about $31.41; PSA 7 about $9.50. That is about 78× the ungraded value.
How often does Koffing 51/102 sell?
Koffing 51/102 Base Set recorded 90 sales in the last 90 days (31 in the last 30), most recently on Sep 23, 2026. The highest recent sale was $200 for a PSA 10 copy on Sep 22, 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. Koffing 51/102 ranks 82nd of 102. See the full Base Set ranking.
What set is Koffing 51/102 from?
Koffing 51/102 is from the English Pokémon TCG set Base Set, released Jan 9, 1999, in the Wizards of the Coast era. Its rarity is Common.