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| Tales to Astonish #21 | ||
| Atlas Comics, 7/61 | ||
| Stan Lee story | Hulk prototype. | |
| Steve Ditko and Don Heck art | ||
| Jack Kirby and Dick Ayers cover and art | ||
| 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 | 118 | 5.63 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 6 5.1% | 13 16.1% | 13 27.1% | 6 32.2% | 7 38.1% | 8 44.9% | 12 55% | 11 64% | 13 75% | 9 83% | 11 92% | 5 97% | 1 97% | 1 98% | 1 99% | 1 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 5 | 5.00 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 0 20.0% | 1 40.0% | 0 40.0% | 2 80% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 3 | 6.67 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 1 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% |
| Tales to Astonish #21 (1961, Atlas Comics) 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 | 5% 6 8.5 | 11% 13 8.0 | 11% 13 7.5 | 5% 6 7.0 | 6% 7 6.5 | 7% 8 6.0 | 10% 12 5.5 | 9% 11 5.0 | 11% 13 4.5 | 8% 9 4.0 | 9% 11 3.5 | 4% 5 3.0 | 1% 1 2.5 | 1% 1 2.0 | 1% 1 1.8 | 1% 1 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||