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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 | 2,164 | 7.47 | 0 0.00% | 0 0.00% | 48 2.2% | 77 5.8% | 153 12.8% | 182 21.3% | 197 30.4% | 272 42.9% | 196 52% | 196 61% | 163 69% | 162 76% | 121 82% | 108 87% | 99 91% | 59 94% | 59 97% | 43 99% | 15 99% | 4 100% | 4 100% | 2 100% | 0 100% | 0 100% | 4 100% |
| 1 BOOK | Signature | 128 | 7.42 | 0 0.00% | 0 0.00% | 0 0.0% | 7 5.5% | 9 12.5% | 8 18.8% | 18 32.8% | 12 42.2% | 16 55% | 15 66% | 7 72% | 4 75% | 8 81% | 2 83% | 6 88% | 3 90% | 5 94% | 2 95% | 2 97% | 2 98% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 26 | 7.21 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 2 7.7% | 1 11.5% | 1 15.4% | 2 23.1% | 6 46.2% | 4 62% | 2 69% | 2 77% | 0 77% | 2 85% | 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% 77 9.6 | 7% 153 9.4 | 8% 182 9.2 | 9% 197 9.0 | 13% 272 8.5 | 9% 196 8.0 | 9% 196 7.5 | 8% 163 7.0 | 7% 162 6.5 | 6% 121 6.0 | 5% 108 5.5 | 5% 99 5.0 | 3% 59 4.5 | 3% 59 4.0 | 2% 43 3.5 | 1% 15 3.0 | 0% 4 2.5 | 0% 4 2.0 | 0% 2 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 4 0.5 |
| cgcdata.com, last updated February 24, 2026 | ||||||||||||||||||||||||