$118.06
PSA 10 · -6%
Based on 5 sales
$20.56
PSA 9
$9.63
PSA 8
$3.83
Raw
The Koga's Koffing (1st Edition) from Gym Challenge is currently valued at $3.83 raw and $118.06 in PSA 10 grade. Prices have decreased 6% over the past 30 days.
Price History
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Price Forecast
PSA 10
Current$132.60
7-day forecast$132.81 (+0.2%)
30-day forecast$140.29 (+5.8%)
90-day forecast$124.15 (-6.4%)
Confidencehigh (2 data points)
PSA 9
Current$20.50
7-day forecast$23.01 (+12.2%)
30-day forecast$24.13 (+17.7%)
90-day forecast$22.89 (+11.7%)
Confidencehigh (1 data points)
Price by Grade
Raw
$3.83
PSA 8
$9.63
PSA 9
$20.56
PSA 10
$118.06
Recent Sales
2026-04-09
· raw
· ebay
$3.25
2026-04-06
· psa 9
· ebay
$20.50
2026-04-06
· raw
· ebay
$4.00
2026-04-01
· raw
· ebay
$1.59
2026-04-01
· psa 10
· ebay
$134.50
2026-03-30
· raw
· ebay
$5.89
2026-03-30
· raw
· ebay
$3.00
2026-03-30
· psa 10
· ebay
$152.50
2026-03-30
· raw
· ebay
$4.25
2026-03-27
· psa 7
· ebay
$13.50
2026-03-24
· raw
· ebay
$5.24
2026-03-24
· raw
· ebay
$2.99
2026-03-23
· raw
· ebay
$2.99
2026-03-22
· raw
· ebay
$3.84
2026-03-16
· raw
· ebay
$2.99
2026-03-14
· cgc 10
· ebay
$44.17
2026-03-12
· raw
· ebay
$2.99
2026-03-11
· psa 9
· ebay
$30.00
2026-03-10
· psa 10
· ebay
$151.00
2026-03-08
· raw
· ebay
$3.50
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