![]() |

| Showcase #8 | ||
| DC Comics, 5-6/57 | ||
| Robert Kanigher and John Broome stories | 2nd appearance of Silver Age Flash. | |
| Carmine Infantino and Frank Giacoia | Origin and 1st appearance of | |
| cover and art | Captain Cold (Leonard Snart). | |
| 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 | 327 | 3.80 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 2 0.6% | 2 1.2% | 1 1.5% | 6 3.4% | 8 5.8% | 6 7.6% | 17 12.8% | 13 16.8% | 14 21.1% | 21 27.5% | 27 35.8% | 34 46.2% | 37 57% | 34 68% | 30 77% | 18 83% | 15 87% | 24 94% | 9 97% | 9 100% |
| 1 BOOK | Restored | 52 | 4.28 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 1.9% | 0 1.9% | 1 3.8% | 0 3.8% | 3 9.6% | 2 13.5% | 6 25.0% | 3 30.8% | 5 40.4% | 6 52% | 3 58% | 2 62% | 8 77% | 6 88% | 2 92% | 0 92% | 2 96% | 2 100% | 0 100% |
| 1 BOOK | Qualified | 2 | 5.25 | 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 50% | 0 50% | 0 50% | 0 50% | 0 50% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 1 | 1.00 | 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% | 0 0.0% | 0 0.0% | 0 0.0% | 1 100% | 0 100% |
| Showcase #8 (1957, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 0% 0 9.4 | 1% 2 9.2 | 1% 2 9.0 | 0% 1 8.5 | 2% 6 8.0 | 2% 8 7.5 | 2% 6 7.0 | 5% 17 6.5 | 4% 13 6.0 | 4% 14 5.5 | 6% 21 5.0 | 8% 27 4.5 | 10% 34 4.0 | 11% 37 3.5 | 10% 34 3.0 | 9% 30 2.5 | 6% 18 2.0 | 5% 15 1.8 | 7% 24 1.5 | 3% 9 1.0 | 3% 9 0.5 |
| cgcdata.com, last updated October 13, 2026 | ||||||||||||||||||||||||