Grade Matrix
Graded
PSA 6
-
Grade 7 guide
$14
Grade 8 guide
$31
PSA 9
$45
PSA 10
$93
PSA 10: Last PSA 10 sale $92.70 on Sep 1, 2025 · checked Oct 25, 2026
PSA 9: Median of 1 PSA 9 sale in the last 90 days, latest 2026-08-23. Grade 9 guide (all graders): $41.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
CGC
CGC 8
-
CGC 9
-
CGC 10
$59
CGC P10
-
Availability
Availabilityi
1/10G: —
Graded: insufficient data · Sales per year: ~20 sales/yr · Raw recent sales: 17 · Grade 9 recent sales: 3 · PSA 10 recent sales: 3 · Graded copies: 149
TCGplayer Price History
NormalProduct 42395Fetched Oct 26, 3:30 AM
Weekly market
$0.81
week ending Oct 25
Weekly avg sale
$0.58
week ending Oct 25
Units sold (week)
12
week ending Oct 25
Card Value FAQ
How much is a PSA 10 Koffing (Base Set #51) worth?
A PSA 10 Koffing (Base Set #51) is currently shown at $92.70. GemDelta labels this as the latest stored PSA 10 sale, which is older than the sales window; no sales were found inside that window.
PSA 10 past sales
| Date | Listing | Sale |
|---|---|---|
| Sep 1, 2025 | Koffing Base Set 4th Print UK 1999-2000 Unlimited PSA 10 Pokemon card #51 Mint #SWSH261 | $92.70 |
| Aug 14, 2025 | 1999-2000 Pokemon Base Set 4th Print Koffing 051/102 PSA 10 051/102 | $129.99 |
| Jun 13, 2025 | 1999-2000 Pokemon Base Set Koffing 051/102 PSA 10 Gem Mint 051/102 | $65.00 |