Koffing #51
SetBase Set
Year1999
Ungraded
$1.75+$0.10
200 sales · last Jul 21, 2026
PSA 4
$3.25
1 sales · last Sep 26, 2023
CGC 4.5
$2.50
2 sales · last Feb 20, 2025
PSA 5
$5.50−$5.76
7 sales · last Nov 15, 2025
CGC 5.5
$6.00
7 sales · last Jul 29, 2026
PSA 6
$11.00
5 sales · last Apr 30, 2026
CGC 6
$6.00
3 sales · last Jul 20, 2026
CGC 6.5
$7.20
4 sales · last May 11, 2026
Grade 7
$8.00
3 sales · last Feb 28, 2026
CGC 7
$7.20
2 sales · last Apr 6, 2026
PSA 7
$20.00+$5.00
18 sales · last Jul 17, 2026
Grade 8
$9.59+$1.56
9 sales · last Apr 16, 2026
CGC 8
$10.80
1 sales · last Feb 17, 2025
PSA 8
$24.88+$2.66
26 sales · last Jul 9, 2026
BGS 8
$25.00
1 sales · last May 26, 2026
CGC 8.5
$10.80−$1.20
6 sales · last Jun 15, 2026
PSA 8.5
$29.99
1 sales · last Jul 17, 2025
PSA 9
$36.05−$4.93
44 sales · last Jul 5, 2026
CGC 9
$14.40+$3.88
26 sales · last Jul 2, 2026
BGS 9
$15.50
3 sales · last Jun 14, 2026
CGC 9.5
$14.50+$2.50
10 sales · last Jun 27, 2026
BGS 9.5
$39.99
1 sales · last May 4, 2026
PSA 10
$127.50+$29.50
41 sales · last Jul 12, 2026
CGC 10
$35.00+$6.00
18 sales · last Aug 18, 2026
CGC Pristine 10
$36.60
4 sales · last Apr 14, 2025
Koffing #51 price guide
Koffing #51 is a collectible Pokémon card from the Base Set expansion (1999). Setlot tracks 443 recorded sales for this card across 25 grade tiers, 2 of them in the last 90 days. PSA 10 copies have a 90-day median of $127.50. Ungraded copies currently trade around $1.75. The top grade commands 73× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $144.17 (PSA 10, Jul 5, 2026). 21 listings are live right now with asks from $1.00.
Price history
Grading premium
Median graded price vs. the ungraded copy ($1.75) — a rough read on whether grading pays off.
PSA 4
1.9×
$3.25
CGC 4.5
1.4×
$2.50
PSA 5
3.1×
$5.50
CGC 5.5
3.4×
$6.00
PSA 6
6.3×
$11.00
CGC 6
3.4×
$6.00
CGC 6.5
4.1×
$7.20
Grade 7
4.6×
$8.00
CGC 7
4.1×
$7.20
PSA 7
11×
Live listings
Search on eBay ↗Lowest asks per grade. Older listings may have ended — “seen” is when we last confirmed each one.
| Grade | Listing | Marketplace | Seen | Price |
|---|---|---|---|---|
| Ungraded 21 tracked | Pokémon Koffing 51/102 Base Set Common Card oziegen | eBay | 5mo ago | $1.00↗ |
| KOFFING Base Set 51/102 Common Pokemon Card Unlimited Edition LP+ Vintage WOTC puckuluck | eBay | 5mo ago | $1.00 |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| CGC 5.5 | 1 | $7.00 | $7.00 |
| CGC 10 | 1 | $49.00 | $49.00 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Aug 18, 2026 | CGC 10 | 1999 Pokemon Base Set Koffing #51 CGC 10 GEM MINT | Fanatics Vault | $49.00 |
| Jul 29, 2026 | CGC 5.5 | 1999 Pokemon Base Set Koffing #51 CGC 5.5 EX+ | Fanatics Vault | $7.00 |
| Jul 21, 2026 | CGC 5.5 | 1999 Pokemon Base Set Koffing #51 CGC 5.5 EX+ | Fanatics Vault | $5.00 |
| Jul 21, 2026 | CGC 5.5 | 1999 Pokemon Base Set Koffing #51 CGC 5.5 EX+ | Fanatics Vault | $7.00 |
| Jul 21, 2026 | Ungraded | Koffing 51/102 Common Base Set Unlimited Pokemon Damaged↗ | eBay | $0.99 |
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