Expansion Pack 20th Anniversary · #31/87
Common × Mitsuhiro Arita
コイキング
1st EditionNear Mint
$1.36
10$177
7D range
Down 55% over 30d and cooling.
7d
0.0%
30d
-54.7%
90d
+13.3%
Growth/yr
+71.9%
90d ann.
Volatility
51.0%
52w range
100%
$1.13–$1.36
Positioning vs 90d trend
PSA 10 vs raw
130×
+1% over 173d
Grading the raw copy nets about $56.11 on average at its 74% PSA 10 rate. Break-even sale $81.35 · PSA 10 $177.
| GraderGrader · grade | Odds | Value | Fee | Edge / copy |
|---|---|---|---|---|
| 10Best | 74.2% | $177 | $79.99Regular | +$56.11 |
| 9 | 21.6% | $28.49 | ||
 Pristine 10 | ~5.1% | $110 | $20.00Economy | -$7.47 |
| 10 | ~15.2% | $39.02 | ||
| 9 | 9.1% | $15.80 |
Odds are each company's population mix for this card, not a condition-adjusted forecast. ~ marks estimates: premium labels (Pristine 10, Black Label) are folded into each grader's 10 count, so their split is heuristic.
569
Total graded
60.6%
Gem Rate
10
345
9
105
8
12
7
7
6
0
| Date | Grade | Price |
|---|---|---|
| Jul 2, 2026 | 10 | $26.00 |
| Jun 26, 2026 | 10 | $39.99 |
| Jun 24, 2026 | 10 | $39.99 |
| Jun 23, 2026 | 10 | $52.00 |
| Jun 23, 2026 | 10 | $29.20 |
| Jun 22, 2026 | 10 | $43.00 |
| Jun 19, 2026 | 10 | $183 |
| Jun 18, 2026 | 9 | $17.50 |
| Jun 8, 2026 | 10 | $145 |
| Jun 4, 2026 | 7 | $20.12 |
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