![]() |

| Saga of the Swamp Thing #37 | ||
| DC Comics, 6/85 | ||
| Alan Moore story | 1st full appearance of John Constantine. | |
| Rick Veitch & 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 | 4,745 | 8.91 | 0 0.00% | 2 0.04% | 489 10.3% | 982 31.0% | 838 48.7% | 603 61% | 529 73% | 431 82% | 292 88% | 182 92% | 144 95% | 90 97% | 72 98% | 40 99% | 25 99% | 15 100% | 6 100% | 2 100% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 1 100% | 0 100% |
| 1 BOOK | Signature | 175 | 9.14 | 0 0.00% | 0 0.00% | 27 15.4% | 41 38.9% | 33 58% | 28 74% | 15 82% | 8 87% | 12 94% | 3 95% | 3 97% | 2 98% | 2 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 10 | 8.45 | 0 0.00% | 0 0.00% | 0 0.0% | 1 10.0% | 3 40.0% | 1 50% | 0 50% | 2 70% | 0 70% | 0 70% | 2 90% | 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 | Restored | 5 | 7.92 | 0 0.00% | 0 0.00% | 0 0.0% | 1 20.0% | 0 20.0% | 0 20.0% | 1 40.0% | 0 40.0% | 1 60% | 1 80% | 0 80% | 0 80% | 0 80% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Saga of the Swamp Thing #37 (1985, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 2 9.9 | 10% 489 9.8 | 21% 982 9.6 | 18% 838 9.4 | 13% 603 9.2 | 11% 529 9.0 | 9% 431 8.5 | 6% 292 8.0 | 4% 182 7.5 | 3% 144 7.0 | 2% 90 6.5 | 2% 72 6.0 | 1% 40 5.5 | 1% 25 5.0 | 0% 15 4.5 | 0% 6 4.0 | 0% 2 3.5 | 0% 2 3.0 | 0% 0 2.5 | 0% 0 2.0 | 0% 0 1.8 | 0% 0 1.5 | 0% 1 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated February 24, 2026 | ||||||||||||||||||||||||