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| Amazing Spider-Man #31 | ||
| Marvel Comics, 12/65 | ||
| Stan Lee story | 1st appearance of Gwen Stacy, | |
| Steve Ditko cover and art | Harry Osborn and Professor Miles Warren. | |
| 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 | 4,167 | 5.63 | 0 0.00% | 0 0.00% | 5 0.1% | 19 0.6% | 42 1.6% | 61 3.0% | 124 6.0% | 177 10.3% | 261 16.5% | 244 22.4% | 344 30.6% | 320 38.3% | 357 46.9% | 317 54% | 399 64% | 395 74% | 429 84% | 250 90% | 170 94% | 109 97% | 51 98% | 25 98% | 21 99% | 14 99% | 33 100% |
| 1 BOOK | Signature | 247 | 5.36 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 0.4% | 4 2.0% | 3 3.2% | 12 8.1% | 19 15.8% | 12 20.6% | 13 25.9% | 15 32.0% | 16 38.5% | 19 46.2% | 36 61% | 24 70% | 23 80% | 13 85% | 21 94% | 8 97% | 1 97% | 2 98% | 1 98% | 0 98% | 4 100% |
| 1 BOOK | Restored | 138 | 6.04 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 3 2.2% | 2 3.6% | 6 8.0% | 12 16.7% | 13 26.1% | 8 31.9% | 12 40.6% | 9 47.1% | 16 59% | 10 66% | 10 73% | 10 80% | 7 86% | 9 92% | 3 94% | 3 96% | 0 96% | 0 96% | 0 96% | 0 96% | 5 100% |
| 1 BOOK | Qualified | 62 | 4.83 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 2 3.2% | 2 6.5% | 5 14.5% | 3 19.4% | 2 22.6% | 3 27.4% | 7 38.7% | 15 63% | 12 82% | 9 97% | 1 98% | 0 98% | 0 98% | 0 98% | 0 98% | 0 98% | 1 100% |
| Amazing Spider-Man #31 (1965, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 5 9.8 | 0% 19 9.6 | 1% 42 9.4 | 1% 61 9.2 | 3% 124 9.0 | 4% 177 8.5 | 6% 261 8.0 | 6% 244 7.5 | 8% 344 7.0 | 8% 320 6.5 | 9% 357 6.0 | 8% 317 5.5 | 10% 399 5.0 | 9% 395 4.5 | 10% 429 4.0 | 6% 250 3.5 | 4% 170 3.0 | 3% 109 2.5 | 1% 51 2.0 | 1% 25 1.8 | 1% 21 1.5 | 0% 14 1.0 | 1% 33 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||