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| Star Trek #20 | ||
| Gold Key, 9/73 | ||
| Alberto Giolitti and Giovanni Ticci art | Painted cover | |
| George Wilson cover | Based on the television series. | |
| 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 | 56 | 8.69 | 0 0.00% | 0 0.00% | 7 12.5% | 8 26.8% | 9 42.9% | 10 61% | 6 71% | 2 75% | 3 80% | 5 89% | 1 91% | 2 95% | 0 95% | 0 95% | 1 96% | 0 96% | 0 96% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 3 | 8.10 | 0 0.00% | 0 0.00% | 1 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 1 67% | 0 67% | 0 67% | 0 67% | 0 67% | 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% |
| 1 BOOK | Restored | 1 | 8.50 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 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% |
| Star Trek #20 (1973, Gold Key) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 13% 7 9.8 | 14% 8 9.6 | 16% 9 9.4 | 18% 10 9.2 | 11% 6 9.0 | 4% 2 8.5 | 5% 3 8.0 | 9% 5 7.5 | 2% 1 7.0 | 4% 2 6.5 | 0% 0 6.0 | 0% 0 5.5 | 2% 1 5.0 | 0% 0 4.5 | 0% 0 4.0 | 4% 2 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 | ||||||||||||||||||||||||