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| Captain America #310 | ||
| Marvel Comics, 10/85 | ||
| Mark Gruenwald story | 1st appearance of Diamondback | |
| Paul Neary & Dennis Janke cover & art | (Rachel Leighton). Black Knight, Starfox | |
| & Serpent Society appearance. | ||
| 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 | 177 | 9.12 | 0 0.00% | 0 0.00% | 26 14.7% | 44 39.5% | 39 62% | 20 73% | 13 80% | 21 92% | 2 93% | 1 94% | 5 97% | 2 98% | 1 98% | 0 98% | 1 99% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 2 | 9.70 | 0 0.00% | 0 0.00% | 1 50% | 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% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 1 | 9.60 | 0 0.00% | 0 0.00% | 0 0.0% | 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% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Captain America #310 (1985, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 15% 26 9.8 | 25% 44 9.6 | 22% 39 9.4 | 11% 20 9.2 | 7% 13 9.0 | 12% 21 8.5 | 1% 2 8.0 | 1% 1 7.5 | 3% 5 7.0 | 1% 2 6.5 | 1% 1 6.0 | 0% 0 5.5 | 1% 1 5.0 | 1% 2 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 | ||||||||||||||||||||||||