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| Swamp Thing #6 | ||
| DC Comics, 9-10/73 | ||
| Len Wein story | Full page ad for Shadow #1 | |
| Bernie Wrightson cover and art | Robot cover. | |
| Letter from Harlan Ellison. | ||
| 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 | 441 | 8.85 | 0 0.00% | 0 0.00% | 54 12.2% | 76 29.5% | 91 50% | 50 61% | 44 71% | 40 80% | 32 88% | 11 90% | 16 94% | 7 95% | 5 97% | 3 97% | 2 98% | 4 99% | 3 99% | 0 99% | 3 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 25 | 8.36 | 0 0.00% | 0 0.00% | 0 0.0% | 5 20.0% | 2 28.0% | 4 44.0% | 5 64% | 0 64% | 2 72% | 3 84% | 2 92% | 0 92% | 0 92% | 0 92% | 0 92% | 1 96% | 0 96% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 2 | 7.95 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 50% | 0 50% | 0 50% | 0 50% | 0 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% |
| 1 BOOK | Qualified | 2 | 9.30 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 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% | 0 100% | 0 100% | 0 100% | 0 100% |
| Swamp Thing #6 (1973, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 12% 54 9.8 | 17% 76 9.6 | 21% 91 9.4 | 11% 50 9.2 | 10% 44 9.0 | 9% 40 8.5 | 7% 32 8.0 | 2% 11 7.5 | 4% 16 7.0 | 2% 7 6.5 | 1% 5 6.0 | 1% 3 5.5 | 0% 2 5.0 | 1% 4 4.5 | 1% 3 4.0 | 0% 0 3.5 | 1% 3 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 | ||||||||||||||||||||||||