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| Swamp Thing #40 | ||
| DC Comics, 9/85 | ||
| Alan Moore story | John Constantine appearance. | |
| Stephen Bissette & John Totleben art | ||
| Stephen Bissette 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 | 63 | 9.36 | 0 0.00% | 0 0.00% | 12 19.0% | 24 57% | 9 71% | 9 86% | 3 90% | 3 95% | 1 97% | 1 98% | 0 98% | 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 | 4 | 8.48 | 0 0.00% | 0 0.00% | 1 25.0% | 1 50% | 0 50% | 0 50% | 0 50% | 0 50% | 1 75% | 0 75% | 0 75% | 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% |
| Swamp Thing #40 (1985, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 19% 12 9.8 | 38% 24 9.6 | 14% 9 9.4 | 14% 9 9.2 | 5% 3 9.0 | 5% 3 8.5 | 2% 1 8.0 | 2% 1 7.5 | 0% 0 7.0 | 2% 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 | ||||||||||||||||||||||||