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| Space Detective #1 | ||
| Avon, 7/51 | ||
| Walter Gibson story | 1st appearance of Avenger. | |
| Joe Orlando and Wally Wood cover and art | Drug story. | |
| Atomic explosion panel. | ||
| 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 | 59 | 4.64 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 1 1.7% | 0 1.7% | 1 3.4% | 3 8.5% | 2 11.9% | 4 18.6% | 4 25.4% | 4 32.2% | 2 35.6% | 8 49.2% | 6 59% | 4 66% | 3 71% | 4 78% | 1 80% | 5 88% | 3 93% | 2 97% | 1 98% | 1 100% |
| 1 BOOK | Restored | 7 | 5.29 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 14.3% | 1 28.6% | 0 28.6% | 1 42.9% | 1 57% | 1 71% | 0 71% | 0 71% | 0 71% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Space Detective #1 (1951, Avon) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 0% 0 9.4 | 2% 1 9.2 | 0% 0 9.0 | 2% 1 8.5 | 5% 3 8.0 | 3% 2 7.5 | 7% 4 7.0 | 7% 4 6.5 | 7% 4 6.0 | 3% 2 5.5 | 14% 8 5.0 | 10% 6 4.5 | 7% 4 4.0 | 5% 3 3.5 | 7% 4 3.0 | 2% 1 2.5 | 8% 5 2.0 | 5% 3 1.8 | 3% 2 1.5 | 2% 1 1.0 | 2% 1 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||