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| Amazing Stories #29 | ||
| Gernsback Publications, August 1928 | ||
| Frank R. Paul cover & art | 1st appearance of Buck Rogers. | |
| H.G. Wells & Hugo Gernsback stories | "Armageddon 2419" by Philip F. Nowlan. | |
| 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 | 52 | 4.98 | 0 0.00% | 0 0.00% | 1 1.9% | 0 1.9% | 0 1.9% | 1 3.8% | 0 3.8% | 1 5.8% | 0 5.8% | 1 7.7% | 8 23.1% | 4 30.8% | 3 36.5% | 5 46.2% | 2 50% | 6 62% | 4 69% | 4 77% | 5 87% | 4 94% | 1 96% | 0 96% | 1 98% | 1 100% | 0 100% |
| 1 BOOK | Qualified | 3 | 5.50 | 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% | 0 0.0% | 0 0.0% | 1 33.3% | 0 33.3% | 0 33.3% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 1 | 2.00 | 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% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 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% |
| Amazing Stories #29 (1928, Gernsback Publications) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 2% 1 9.8 | 0% 0 9.6 | 0% 0 9.4 | 2% 1 9.2 | 0% 0 9.0 | 2% 1 8.5 | 0% 0 8.0 | 2% 1 7.5 | 15% 8 7.0 | 8% 4 6.5 | 6% 3 6.0 | 10% 5 5.5 | 4% 2 5.0 | 12% 6 4.5 | 8% 4 4.0 | 8% 4 3.5 | 10% 5 3.0 | 8% 4 2.5 | 2% 1 2.0 | 0% 0 1.8 | 2% 1 1.5 | 2% 1 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||