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| Amazing Spider-Man #340 | ||
| Marvel Comics, 10/90 | ||
| David Michelinie story | 1st appearance of the Femme Fatales. | |
| Erik Larsen & Randy Emberlin art | Chameleon appearance (as Dr. Turner). | |
| Erik Larsen & Mike Machlan 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 | 344 | 9.50 | 0 0.00% | 0 0.00% | 166 48.3% | 71 69% | 51 84% | 10 87% | 19 92% | 14 96% | 5 98% | 4 99% | 3 100% | 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% |
| 1 BOOK | Signature | 23 | 9.31 | 0 0.00% | 0 0.00% | 8 34.8% | 8 70% | 2 78% | 1 83% | 0 83% | 1 87% | 1 91% | 1 96% | 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% |
| Amazing Spider-Man #340 (1990, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 48% 166 9.8 | 21% 71 9.6 | 15% 51 9.4 | 3% 10 9.2 | 6% 19 9.0 | 4% 14 8.5 | 1% 5 8.0 | 1% 4 7.5 | 1% 3 7.0 | 0% 1 6.5 | 0% 0 6.0 | 0% 0 5.5 | 0% 0 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 | ||||||||||||||||||||||||