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| Spectacular Spider-Man #13 | ||
| Marvel Comics, 12/77 | ||
| Bill Mantlo story | 1st app. of Razorback (Buford Hollis). | |
| Sal Buscema & Mike Esposito art | Brother Power, Sister Sun & Man-Beast | |
| Sal Buscema & Joe Sinnott cover | ||
| 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 | 216 | 9.38 | 0 0.00% | 0 0.00% | 91 42.1% | 57 69% | 27 81% | 12 87% | 10 91% | 4 93% | 3 94% | 3 96% | 2 97% | 1 97% | 2 98% | 0 98% | 4 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 3 | 8.63 | 0 0.00% | 0 0.00% | 1 33.3% | 1 67% | 0 67% | 0 67% | 0 67% | 0 67% | 0 67% | 0 67% | 0 67% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Spectacular Spider-Man #13 (1977, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 42% 91 9.8 | 26% 57 9.6 | 13% 27 9.4 | 6% 12 9.2 | 5% 10 9.0 | 2% 4 8.5 | 1% 3 8.0 | 1% 3 7.5 | 1% 2 7.0 | 0% 1 6.5 | 1% 2 6.0 | 0% 0 5.5 | 2% 4 5.0 | 0% 0 4.5 | 0% 0 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 | ||||||||||||||||||||||||