Koffing #51 Base Set

Common • 51/102

$1.13

+$0.66 (+140.99%) past 6M

Ungraded

$1.13

Grade 7

$10.63

Grade 8

$28.57

Grade 9

$37.40

PSA 10

$125.22

Details

Set: Base Set
Number: 051/102
Rarity: Common
Type: Grass
Language: English
Manufacturer: Pokemon
HP: 50
Stage: Basic
Weakness: P
Retreat Cost: 1

Recent Sales

Sale Date	Title	Price
Sep 17, 2026	UngradedLightly Played · 26 sold	$0.76
Sep 17, 2026	UngradedNear Mint · 9 sold	$0.71
Sep 16, 2026	UngradedHeavily Played · 2 sold	$0.19
Sep 16, 2026	UngradedModerately Played · 9 sold	$0.28
Sep 16, 2026	UngradedDamaged · 3 sold	$0.20
Sep 16, 2026	UngradedKoffing [1999-2000] - Base Set - 51/102 - Pokemon TCG - LP 51/102	$2.64
Sep 14, 2026	UngradedNear Mint · 3 sold	$0.74
Sep 14, 2026	UngradedLightly Played · 5 sold	$0.55
Sep 13, 2026	UngradedModerately Played · 11 sold	$0.28
Sep 13, 2026	UngradedDamaged · 3 sold	$0.20
Sep 11, 2026	UngradedLightly Played · 21 sold	$0.35
Sep 11, 2026	UngradedNear Mint · 5 sold	$1.98
Sep 11, 2026	UngradedPokémon Koffing 51/102 BS Base Set Unlimited LP/NM 51/102	$2.10
Sep 10, 2026	UngradedHeavily Played · 2 sold	$0.23
Sep 10, 2026	UngradedModerately Played · 1 sold	$0.30
Sep 10, 2026	PSA 81999 POKEMON GAME #51 KOFFING PSA 8 NM MINT BASE SET UNLIMITED #46	$39.99
Sep 9, 2026	UngradedKoffing - Pokemon Common 1999 Base Set Unlimited 51/102 NM 51/102	$2.66
Sep 9, 2026	UngradedKOFFING 51/102 - HP - BS BASE SET ENGLISH POKEMON CARD #51	$1.81
Sep 9, 2026	UngradedNear Mint · 6 sold	$0.82
Sep 9, 2026	UngradedLightly Played · 4 sold	$0.38
Sep 8, 2026	UngradedLightly Played · 4 sold	$0.47
Sep 8, 2026	UngradedHeavily Played · 1 sold	$0.26
Sep 8, 2026	UngradedKoffing #51/102 Base Set Common Pokemon TCG MP 51/102	$1.61
Sep 8, 2026	UngradedModerately Played · 5 sold	$0.29
Sep 8, 2026	UngradedNear Mint · 7 sold	$0.82
Sep 7, 2026	UngradedModerately Played · 3 sold	$0.27
Sep 7, 2026	UngradedPokemon Card Base Set Koffing 51/102 1999-2000 4th Prink UK Exclusive 51/102	$4.99
Sep 7, 2026	UngradedKoffing 51/102 Common Base Set Unlimited Pokemon Near Mint 51/102	$2.60
Sep 7, 2026	UngradedKoffing 51/102 Base Set Common Played Pokemon DNA GAMES	$0.99
Sep 6, 2026	UngradedKoffing 51/102 Common Base Set Unlimited Vintage Pokemon Card 51/102	$0.89
Sep 6, 2026	UngradedKoffing 51/102 Common Base Set Unlimited Pokemon LP 51/102	$1.81
Sep 2, 2026	PSA 9Pokemon Base Set Koffing PSA 9 051/102	$36.00
Aug 31, 2026	PSA 91999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51	$32.04
Aug 23, 2026	PSA 91999 POKEMON BASE SET 1999-2000 “4TH PRINT” #51 KOFFING PSA 9 #51	$44.99
Aug 22, 2026	PSA 91999 Pokemon Base Set Unlimited Koffing PSA 9 051/102	$31.00
Aug 16, 2026	PSA 9Pokemon Cards - PSA 9 Koffing 51/102 - Base Set Unlimited - MINT - PSA9 051/102	$31.14
Aug 16, 2026	PSA 9Pokemon Cards - PSA 9 Koffing 51/102 - Base Set Unlimited - MINT - PSA9 051/102	$31.14
Aug 10, 2026	PSA 10Pokemon Cards: Base Set Common: Koffing 51/102 PSA 10 #51	$115.07
Aug 7, 2026	PSA 91999 English Pokemon Base Set Unlimited Koffing Card 51/102 PSA 9 051/102	$30.00
Aug 6, 2026	PSA 10PSA 10 Koffing 51/102 1999 Pokemon Base Set GEM MINT Vintage WOTC 051/102	$139.90
Aug 5, 2026	PSA 81999 Pokemon Game #51 Koffing PSA 8 Base Set PC #51	$20.50
Aug 5, 2026	PSA 71999 Pokemon Game #51 Koffing PSA 7 Base Set PC #51	$6.50
Aug 5, 2026	PSA 71999 Pokemon Game #51 Koffing PSA 7 Base Set PC #51	$7.49
Aug 5, 2026	PSA 71999 Pokemon Game #51 Koffing PSA 7 Base Set PC #51	$9.50
Aug 4, 2026	PSA 9PSA 9 Koffing Pokemon Card 51/102 Base Set 1999 Mint Freshly Graded 51/102	$46.99
Aug 3, 2026	PSA 91999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51	$100.00
Aug 2, 2026	PSA 82000 POKEMON BASE SET UNLIMITED #51 KOFFING CGC 8.5	$7.00
Aug 2, 2026	PSA 9Pokémon TCG Koffing 51/102 Base Set PSA 9 051/102	$44.43
Jul 26, 2026	PSA 9Pokemon TCG Koffing 51/102 Base Set CGC 9 Mint Regular Grass English Vintage 51/102	$9.50
Jul 24, 2026	PSA 9WOTC 1999 Koffing Base Set 51/102 Regular 50 HP English Pokemon TCG TAG 9 051/102	$23.00
Jul 24, 2026	PSA 7Pokemon Base Set Koffing 51/102 Regular Common 1999 English PSA 7 051/102	$14.15
Jul 17, 2026	PSA 7PSA 7 Koffing Pokemon Card 51/102 Base Set 4th print 1999-2000 51/102	$13.48
Jul 13, 2026	PSA 10Pokemon Koffing Base Set Unlimited 51/102 PSA 10 Gem Mint 51/102	$127.50
Jul 10, 2026	PSA 81999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51	$31.99
Jul 5, 2026	PSA 9Pokemon Card - PSA 9 Koffing 51/102 - 1999-2000 Base Set 4th Print - MINT 051/102	$36.05
Jul 4, 2026	PSA 8Pokemon Koffing 51/102 Base Set Regular PSA 8 Graded 1999 English 051/102	$18.99
Jul 3, 2026	PSA 91999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51	$26.90
Jul 3, 2026	PSA 9Pokemon TCG Koffing 51/102 Base Set CGC 9 Mint Regular Grass English Vintage 51/102	$9.87
Jun 28, 2026	PSA 91999 Pokémon Base Set Unlimited Koffing #51/102 - CGC 9 51/102	$14.50
Jun 27, 2026	PSA 9Koffing 51/102 1999 Pokemon Base Set Unlimited PSA 9 Mint! #51	$31.00
Jun 26, 2026	PSA 9Pokemon Koffing Base Set 051/102 Regular Common EN 1999 PSA 9 Graded 051/102	$36.00
Jun 23, 2026	PSA 9Pokemon TCG Koffing 51/102 Base Set Regular Grass CGC 9 Mint English Graded 51/102	$15.50
Jun 23, 2026	PSA 9Pokemon TCG Vintage Koffing 51/102 Base Set CGC 9 Mint Regular English WOTC USA 51/102	$9.87
Jun 22, 2026	PSA 9PSA 9 Koffing Pokemon Card 51/102 Base Set 1999 Mint 51/102	$35.00
Jun 16, 2026	PSA 7PSA 7 Koffing Pokemon Card 51/102 Base Set 1999 51/102	$20.00
Jun 15, 2026	PSA 9🍃 Koffing 51/102 Pokemon Card - 1999 Base Set, BGS 9 51/102	$22.00
Jun 9, 2026	PSA 81999 Pokémon Base Set Koffing 51/102 CGC 8.5 NM/Mint+ Vintage WOTC Slab 51/102	$14.99
Jun 6, 2026	PSA 81999 POKEMON BASE SET #51/102 KOFFING CGC 8 51/102	$12.00
Jun 6, 2026	PSA 8Koffing 51/102 CGC 8 Base Set Pokemon Card	$23.26
May 29, 2026	PSA 10Koffing 51/102 Base Set 1999 Unlimited Pokemon PSA 10 GEM MINT LOW POP of 54 051/102	$134.56
May 29, 2026	PSA 101999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 10 #51	$125.00
May 27, 2026	PSA 8BGS 8 NM Mint Base Set Unlimited Koffing 51/102 Pokemon Card 1999 51/102	$25.00
May 27, 2026	PSA 91999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51	$40.98
May 24, 2026	PSA 91999 Pokémon Base Set Unlimited Koffing #51/102 - CGC 9 51/102	$10.52
May 17, 2026	PSA 8Pokemon Cards - PSA 8 Koffing 51/102 - Base Set Unlimited - NM-MT - PSA8 051/102	$33.30
May 16, 2026	PSA 81999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51	$22.75
May 9, 2026	PSA 91999 Pokemon Game—Koffing #51 Base Set— PSA 9 #51	$51.75
May 7, 2026	PSA 9Pokémon Koffing 51/102 Base Set Common Regular PSA 9 English (1999) 51/102	$45.00
May 4, 2026	PSA 91999 Pokémon Game Base Set Koffing Unlimited PSA 9 #51 051/102	$40.00
May 1, 2026	PSA 91999 POKEMON BASE SET UNLIMITED #51 KOFFING CGC 9 1999 (Blue Label) #51	$19.99
Apr 21, 2026	PSA 8PSA 8 NM-MT Koffing 51/102 4th Print Base Set Pokemon Trading Card	$24.88
Apr 17, 2026	PSA 101999 Pokemon Base Set Unlimited #51 Koffing Gem Mt PSA 10 #51	$115.00
Apr 16, 2026	PSA 81999 Pokémon Base Set Koffing 51/102 CGC 8.5 NM/Mint+ Vintage WOTC Slab 51/102	$16.09
Apr 15, 2026	PSA 8Pokémon Koffing Base Set 51/102 Regular 1999 Common Basic 50 HP CGC 8 051/102	$1.65
Apr 14, 2026	PSA 81999 POKEMON BASE SET UNLIMITED #51 KOFFING CGC 8 1999 (Blue Label) #51	$12.00
Apr 14, 2026	PSA 91999 Pokemon Game #51 Koffing PSA 9 Card MINT Trusted Seller Free Ship! Base Set #51	$32.47
Apr 6, 2026	PSA 81999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51	$24.70
Apr 6, 2026	PSA 91999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 9 #51	$45.99
Apr 4, 2026	PSA 81999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51	$24.50
Apr 4, 2026	PSA 71999 POKEMON BASE SET 1999-2000 "4TH PRINT" #51 KOFFING CGC 7 #51	$15.00
Mar 30, 2026	PSA 101999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 10 #51	$92.00
Mar 30, 2026	PSA 10Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint	$91.00
Mar 28, 2026	PSA 81999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51	$22.22
Mar 22, 2026	PSA 81999 Pokemon Koffing Base Set #51 PSA 8 Partial Set Break 051/102	$11.50
Mar 22, 2026	PSA 81999 Pokemon Koffing Base Set #51 PSA 8 Partial Set Break 051/102	$4.31
Mar 20, 2026	PSA 81999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51	$22.50
Mar 14, 2026	PSA 10Koffing 51/102 Base Set (Unlimited) Pokemon Card PSA 10 #PSA CGC BGS	$100.00
Mar 11, 2026	PSA 81999 POKEMON #51 KOFFING BASE SET UNLIMITED NM-MT PSA 8 #51	$32.00
Mar 11, 2026	PSA 71999 Pokémon Koffing 051/102 Base Set Regular PSA 7 051/102	$29.00
Mar 8, 2026	PSA 8Pokemon Koffing Base Set Unlimited #51 CGC 8.5	$8.50
Mar 7, 2026	PSA 10Pokémon Koffing Base Set #51 1999 PSA 10 GEM MT Regular English 051/102	$100.00
Mar 6, 2026	PSA 81999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51	$19.49
Feb 28, 2026	PSA 7CGC 7.5 Koffing 1999 Pokemon Base Set #51 Slab Same Day Shipping PSA TCG #51	$13.53
Feb 26, 2026	PSA 8Pokemon Base Set 4th UK Print 1999-2000 Koffing 51/102 Ace Graded 8 NM-MT	$29.39
Feb 15, 2026	PSA 7Koffing 1999 Pokemon Base Set CGC 7.5 Near Mint+	$2.25
Feb 8, 2026	PSA 8Pokemon - Base Set #051/102 Koffing CGC 8.5 FREE SHIPPING (US Only) 51/102	$9.59
Jan 19, 2026	PSA 10Koffing 51/102 Base Set (Unlimited) Pokemon Card PSA 10 #PSA CGC BGS	$98.00
Jan 11, 2026	PSA 81999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 8 #51	$32.00
Jan 10, 2026	PSA 81999 POKEMON BASE SET UNLIMITED #51 KOFFING CGC 8.5	$9.99
Dec 19, 2025	PSA 81999 Pokemon Base Set: # 51 Koffing CGC 8.5 NM/MINT+	$8.06
Dec 7, 2025	PSA 10KOFFING #51 PSA 10 1999 POKEMON Base Set Unlimited WOTC #51	$66.02
Dec 1, 2025	PSA 8Pokemon Koffing Base Set Unlimited #51 CGC 8.5	$7.00
Nov 22, 2025	PSA 10Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint	$100.00
Nov 17, 2025	PSA 10KOFFING #51 PSA 10 1999 POKEMON Base Set Unlimited WOTC	$85.50
Oct 17, 2025	PSA 101999 Pokemon Game Base Set Koffing #51, PSA Grade 10 Gem Mint #51	$72.00
Oct 1, 2025	PSA 71999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 7 #51	$19.99
Sep 24, 2025	PSA 71999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 7 #51	$13.50
Sep 16, 2025	PSA 101999 Pokemon Base Set Koffing 51/102 PSA 10 Gem Mint Rare Card Wotc Vintage	$44.00
Sep 1, 2025	PSA 10Koffing Base Set 4th Print UK 1999-2000 Unlimited PSA 10 Pokemon card #51 Mint #SWSH261	$92.70
Aug 25, 2025	PSA 101999 Pokemon Koffing #51 Base Set Unlimited English 51/102 PSA 10 GEM MINT #51	$84.99
Aug 18, 2025	PSA 101999 POKEMON GAME BASE SET 51 KOFFING PSA 10 GEM MINT #51	$44.00
Aug 16, 2025	PSA 10Koffing Pokemon 1999 PSA Gem Mint 10 Base Set 051/102	$70.00
Aug 14, 2025	PSA 101999-2000 Pokémon Base Set 4th Print Koffing 051/102 PSA 10 051/102	$129.99
Aug 13, 2025	PSA 71999 Pokemon Base Set Koffing 51/102 PSA 7 15/109	$24.98
Aug 3, 2025	PSA 10Pokemon 1999 Base Set Unlimited Koffing 51/102 PSA 10	$83.58
Jul 29, 2025	PSA 101999 POKEMON GAME BASE SET 51 KOFFING PSA 10 GEM MINT #51	$83.99
Jul 13, 2025	PSA 101999 Koffing Base Set Unlimited Pokemon PSA 10 Gem Mint #51	$80.00
Jun 23, 2025	PSA 7PSA7 NM Vintage 1999 Pokemon Game Base Set Koffing #51 #51	$15.00
Jun 13, 2025	PSA 101999-2000 Pokémon Base Set Koffing 051/102 PSA 10 Gem Mint 051/102	$65.00
Jun 8, 2025	PSA 10Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint	$65.00
Apr 9, 2025	PSA 10Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint	$65.00
Apr 4, 2025	PSA 7PSA7 Near Mint Vintage 1999 Pokemon Game Base Set Koffing #51 #51	$20.00
Mar 30, 2025	PSA 10Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint	$51.00
Mar 3, 2025	PSA 7Koffing Base Set PSA 7 51/102 WOTC Pokémon 51/102	$13.50
Feb 24, 2025	PSA 10Koffing 51/102 Base Set 1999 Unlimited Pokemon PSA 10 GEM MINT	$62.62
Feb 23, 2025	PSA 10Pokemon Koffing Base Set Unlimited #51 PSA 10 Gem Mint	$53.00
Dec 29, 2024	PSA 7Koffing Base Set Pokemon TCG PSA 7	$19.99
Oct 7, 2024	PSA 7Pokémon TCG -CGC 7- Koffing Base Set 51/102 Regular Unlimited Common 051/102	$5.00
Aug 1, 2024	PSA 7Monthly · 1 sale	$8.00
Apr 1, 2024	PSA 7Monthly · 1 sale	$11.00
Dec 1, 2023	PSA 7Monthly · 1 sale	$9.99
Jun 1, 2023	PSA 7Monthly · 1 sale	$6.50
Apr 1, 2023	PSA 7Monthly · 2 sales	$12.20
Oct 1, 2022	PSA 7Monthly · 1 sale	$10.50
Aug 1, 2022	PSA 7Monthly · 1 sale	$20.00
Dec 1, 2021	PSA 7Monthly · 1 sale	$2.25

Showing 146 sales · click a row to view the listing

Ungraded Koffing #51 Prices By Condition

Ungraded: $1.13
Near Mint: $1.03
Lightly Played: $0.51
Moderately Played: $0.32
Heavily Played: $0.27
Damaged: $0.29

Each condition is a recency-weighted average of recent sales (newer sales count more) — not a median. The overall Ungraded figure reflects Near Mint/Lightly Played sales.

Full Price Guide: Koffing #51 (Pokemon Base Set)

Grade	PSA Pop	CGC Pop	Total Pop	Price
2	—	—	—	$6.02*
3	1	4	5	$7.07*
4	—	43	43	$7.42*
5	2	57	59	$9.12*
6	3	112	115	$11.67*
7	4	219	223	$10.63
8	18	542	560	$28.57
9	61	383	444	$37.40
10	54	261	315	$125.22

Population counts are the number of copies PSA and CGC have graded at each grade (Total = PSA + CGC). Prices are recency-weighted averages of recent graded sales — not a median. * estimated from PriceCharting's price guide where there are no recent sales.

Add to Collection

Total

$—

Details

Set: Base Set
Number: 051/102
Rarity: Common
Type: Grass
Language: English
Manufacturer: Pokemon
HP: 50
Stage: Basic
Weakness: P
Retreat Cost: 1