Koffing 51/102 · Base Set
Market data as of May 31, 2026 · Source: PokeTrace
PSA Grade Ladder
PSA 10
$125.00
Recent sale $125.00 · Sold May 29, 2026
PSA 9
$44.43
Recent sale $40.98 · Sold May 27, 2026
PSA 8
$26.98
Recent sale $33.30 · Sold May 17, 2026
PSA 7
$29.00
Recent sale $29.00 · Sold Mar 11, 2026
Grade Tier Gaps
The dollar premium between adjacent PSA grades. Each figure is the observed difference between those two grades in the current data window.
- PSA 10 → PSA 9 gap: $80.57 (181% premium for the 10)
- PSA 9 → PSA 8 gap: $17.45 (65% premium for the 9)
- PSA 8 → PSA 7 gap: -$2.02 (-7% premium for the 8)
Prices reflect average sold comps over the past 30 days, falling back to 7-day or all-time average when 30-day data is sparse. Recent sale shows the most recent recorded transaction. Data sourced from PokeTrace.
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Start Free BetaMarket data as of · Source: PokeTrace