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| Flash #166 | ||
| DC Comics, 12/66 | ||
| John Broome and Gardner Fox stories | Captain Cold and Heat Wave appearance. | |
| Carmine Infantino and Joe Giella | Letter from Marv Wolfman. | |
| cover and art | ||
| Books | CGC Label | CGC Total | Avg. Grade | 10 | 9.9 | 9.8 | 9.6 | 9.4 | 9.2 | 9.0 | 8.5 | 8.0 | 7.5 | 7.0 | 6.5 | 6.0 | 5.5 | 5.0 | 4.5 | 4.0 | 3.5 | 3.0 | 2.5 | 2.0 | 1.8 | 1.5 | 1.0 | 0.5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 BOOK | Universal | 137 | 8.26 | 0 0.00% | 0 0.00% | 3 2.2% | 15 13.1% | 20 27.7% | 14 38.0% | 21 53% | 18 66% | 8 72% | 10 80% | 7 85% | 3 87% | 5 91% | 3 93% | 4 96% | 4 99% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 8 | 7.78 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 1 12.5% | 2 37.5% | 1 50% | 1 63% | 0 63% | 0 63% | 2 88% | 0 88% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 5 | 5.90 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 20.0% | 0 20.0% | 0 20.0% | 2 60% | 1 80% | 0 80% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Flash #166 (1966, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 2% 3 9.8 | 11% 15 9.6 | 15% 20 9.4 | 10% 14 9.2 | 15% 21 9.0 | 13% 18 8.5 | 6% 8 8.0 | 7% 10 7.5 | 5% 7 7.0 | 2% 3 6.5 | 4% 5 6.0 | 2% 3 5.5 | 3% 4 5.0 | 3% 4 4.5 | 1% 2 4.0 | 0% 0 3.5 | 0% 0 3.0 | 0% 0 2.5 | 0% 0 2.0 | 0% 0 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||