Koffing #51
SetBase Set
Year1999
Ungraded
$1.87+$0.58
185 sales · last Jul 10, 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
3 sales · last Apr 13, 2026
PSA 6
$11.00
5 sales · last Apr 30, 2026
CGC 6
$6.60
2 sales · last Apr 6, 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
17 sales · last Jun 16, 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+$2.52
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
$40.49+$7.24
44 sales · last Jul 5, 2026
CGC 9
$10.80−$1.20
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
$125.00+$27.00
40 sales · last Jul 5, 2026
CGC 10
$30.50+$5.30
17 sales · last Jul 9, 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 420 recorded sales for this card across 25 grade tiers, 187 of them in the last 90 days. PSA 10 copies have a 90-day median of $125.00. Ungraded copies currently trade around $1.87. The top grade commands 67× 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 ($1.87) — a rough read on whether grading pays off.
PSA 4
1.7×
$3.25
CGC 4.5
1.3×
$2.50
PSA 5
2.9×
$5.50
CGC 5.5
3.2×
$6.00
PSA 6
5.9×
$11.00
CGC 6
3.5×
$6.60
CGC 6.5
3.9×
$7.20
Grade 7
4.3×
$8.00
CGC 7
3.9×
$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 | 1mo ago | $1.00↗ |
| KOFFING Base Set 51/102 Common Pokemon Card Unlimited Edition LP+ Vintage WOTC puckuluck | eBay | 1mo ago | $1.00 |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 137 | $1.87 | $0.48 – $27.39 |
| PSA 6 | 1 | $8.50 | $8.50 |
| CGC 6.5 | 1 | $6.00 | $6.00 |
| PSA 7 | 2 | $20.72 | $20.00 – $21.44 |
| Grade 8 | 2 | $8.87 | $1.65 – $16.09 |
| PSA 8 | 5 | $24.88 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 10, 2026 | Ungraded | Koffing 51/102 Common Base Set Unlimited Pokemon Heavily Played↗ | eBay | $2.49 |
| Jul 9, 2026 | Ungraded | Koffing 51/102 MP WOTC Base Set Unlimited Vintage Pokemon Card↗ | eBay | $2.08 |
| Jul 9, 2026 | Ungraded | POKEMON BASE SET CARD 51/102 Koffing↗ | eBay | $0.99 |
| Jul 9, 2026 | Ungraded | Pokemon Base Set Unlimited Koffing 51/102 Lightly Played↗ | eBay |
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![Mewtwo [1999-2000] #10](https://images.setlot.com/pokemon/pc-pokemon-base-set-mewtwo-1999-2000-10.jpg?v=2)
