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| Amazing Spider-Man #66 | ||
| Marvel Comics, 11/68 | ||
| Stan Lee story, John Romita cover | Mysterio appearance. | |
| John Romita, Don Heck | Green Goblin cameo. | |
| and Mike Esposito art | Letter from Cary Burkett. | |
| 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 | 2,096 | 7.48 | 0 0.00% | 0 0.00% | 48 2.3% | 74 5.8% | 151 13.0% | 179 21.6% | 186 30.4% | 262 42.9% | 193 52% | 190 61% | 154 69% | 158 76% | 117 82% | 105 87% | 94 91% | 57 94% | 56 97% | 43 99% | 16 99% | 4 100% | 3 100% | 2 100% | 0 100% | 0 100% | 4 100% |
| 1 BOOK | Signature | 126 | 7.40 | 0 0.00% | 0 0.00% | 0 0.0% | 7 5.6% | 9 12.7% | 7 18.3% | 18 32.5% | 12 42.1% | 15 54% | 15 66% | 7 71% | 4 75% | 8 81% | 2 83% | 6 87% | 3 90% | 5 94% | 2 95% | 2 97% | 2 98% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 25 | 7.28 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 2 8.0% | 1 12.0% | 1 16.0% | 2 24.0% | 6 48.0% | 4 64% | 2 72% | 2 80% | 0 80% | 1 84% | 1 88% | 2 96% | 0 96% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 9 | 7.10 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 11.1% | 0 11.1% | 2 33.3% | 1 44.4% | 0 44.4% | 1 56% | 1 67% | 0 67% | 0 67% | 1 78% | 0 78% | 0 78% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Amazing Spider-Man #66 (1968, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 2% 48 9.8 | 4% 74 9.6 | 7% 151 9.4 | 9% 179 9.2 | 9% 186 9.0 | 13% 262 8.5 | 9% 193 8.0 | 9% 190 7.5 | 7% 154 7.0 | 8% 158 6.5 | 6% 117 6.0 | 5% 105 5.5 | 4% 94 5.0 | 3% 57 4.5 | 3% 56 4.0 | 2% 43 3.5 | 1% 16 3.0 | 0% 4 2.5 | 0% 3 2.0 | 0% 2 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 4 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||