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| Superboy #171 | ||
| DC Comics, 1/71 | ||
| Frank Robbins story | 1st appearance of Aquaboy. | |
| Bob Brown and Murphy Anderson art | ||
| Carmine Infantino, Murphy Anderson cover | ||
| 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 | 75 | 8.50 | 0 0.00% | 0 0.00% | 6 8.0% | 12 24.0% | 17 46.7% | 5 53% | 4 59% | 4 64% | 9 76% | 7 85% | 1 87% | 4 92% | 1 93% | 2 96% | 1 97% | 1 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 3 | 9.03 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 33.3% | 1 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% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Superboy #171 (1971, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 8% 6 9.8 | 16% 12 9.6 | 23% 17 9.4 | 7% 5 9.2 | 5% 4 9.0 | 5% 4 8.5 | 12% 9 8.0 | 9% 7 7.5 | 1% 1 7.0 | 5% 4 6.5 | 1% 1 6.0 | 3% 2 5.5 | 1% 1 5.0 | 1% 1 4.5 | 1% 1 4.0 | 0% 0 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 | ||||||||||||||||||||||||