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| Amazing Spider-Man #290 | ||
| Marvel Comics, 7/87 | ||
| David Michelinie story | Peter Parker proposes to | |
| John Romita Jr. & Vince Colletta art | Mary Jane Watson. | |
| Al Milgrom 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 | 536 | 9.32 | 0 0.00% | 0 0.00% | 192 35.8% | 131 60% | 71 74% | 41 81% | 30 87% | 20 90% | 20 94% | 13 97% | 5 98% | 6 99% | 3 99% | 2 100% | 1 100% | 0 100% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 45 | 9.13 | 0 0.00% | 0 0.00% | 10 22.2% | 12 48.9% | 7 64% | 5 76% | 4 84% | 3 91% | 2 96% | 0 96% | 0 96% | 0 96% | 0 96% | 0 96% | 1 98% | 0 98% | 0 98% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 2 | 8.25 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 50% | 0 50% | 0 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% |
| Amazing Spider-Man #290 (1987, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 36% 192 9.8 | 24% 131 9.6 | 13% 71 9.4 | 8% 41 9.2 | 6% 30 9.0 | 4% 20 8.5 | 4% 20 8.0 | 2% 13 7.5 | 1% 5 7.0 | 1% 6 6.5 | 1% 3 6.0 | 0% 2 5.5 | 0% 1 5.0 | 0% 0 4.5 | 0% 1 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 | ||||||||||||||||||||||||