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| Rex Dexter of Mars #1 | ||
| Fox Features Synd., Fall 1940 | ||
| Dick Briefer cover and art | Only issue. | |
| George Tuska art | Back cover ad for Samson #1 | |
| 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 | 19 | 4.34 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 5.3% | 1 10.5% | 1 15.8% | 1 21.1% | 1 26.3% | 1 31.6% | 1 36.8% | 1 42.1% | 1 47.4% | 5 74% | 3 89% | 0 89% | 0 89% | 0 89% | 1 95% | 0 95% | 1 100% |
| 1 BOOK | Restored | 4 | 6.25 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 0 25.0% | 1 50% | 1 75% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Rex Dexter of Mars #1 (1940, Fox Features Synd.) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 0% 0 9.4 | 0% 0 9.2 | 0% 0 9.0 | 0% 0 8.5 | 5% 1 8.0 | 5% 1 7.5 | 5% 1 7.0 | 5% 1 6.5 | 5% 1 6.0 | 5% 1 5.5 | 5% 1 5.0 | 5% 1 4.5 | 5% 1 4.0 | 26% 5 3.5 | 16% 3 3.0 | 0% 0 2.5 | 0% 0 2.0 | 0% 0 1.8 | 5% 1 1.5 | 0% 0 1.0 | 5% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||