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| Creatures on the Loose #18 | ||
| Marvel Comics, 7/72 | ||
| Gerry Conway and George Effinger story | Gullivar Jones, Warrior of Mars. | |
| Ross Andru and Sam Grainger art | ||
| Gil Kane 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 | 51 | 8.86 | 0 0.00% | 0 0.00% | 2 3.9% | 13 29.4% | 15 59% | 6 71% | 5 80% | 1 82% | 2 86% | 2 90% | 1 92% | 1 94% | 0 94% | 0 94% | 2 98% | 0 98% | 0 98% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 2 | 8.95 | 0 0.00% | 0 0.00% | 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% | 0 100% | 0 100% |
| Creatures on the Loose #18 (1972, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 4% 2 9.8 | 25% 13 9.6 | 29% 15 9.4 | 12% 6 9.2 | 10% 5 9.0 | 2% 1 8.5 | 4% 2 8.0 | 4% 2 7.5 | 2% 1 7.0 | 2% 1 6.5 | 0% 0 6.0 | 0% 0 5.5 | 4% 2 5.0 | 0% 0 4.5 | 0% 0 4.0 | 2% 1 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 | ||||||||||||||||||||||||