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| Showcase #4 | ||
| DC Comics, 9-10/56 | ||
| Robert Kanigher and John Broome story | Origin and 1st appearance of | |
| Carmine Infantino and Joe Kubert | the Silver Age Flash (Barry Allen). | |
| cover and art | 1st appearance of Iris West. | |
| 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 | 465 | 3.82 | 0 0.00% | 0 0.00% | 0 0.0% | 1 0.2% | 2 0.6% | 2 1.1% | 3 1.7% | 4 2.6% | 10 4.7% | 10 6.9% | 10 9.0% | 16 12.5% | 19 16.6% | 20 20.9% | 40 29.5% | 55 41.3% | 45 51% | 36 59% | 41 68% | 25 73% | 31 80% | 20 84% | 34 91% | 18 95% | 23 100% |
| 1 BOOK | Restored | 166 | 5.05 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 4 2.4% | 1 3.0% | 4 5.4% | 9 10.8% | 11 17.5% | 20 29.5% | 8 34.3% | 11 41.0% | 7 45.2% | 14 54% | 17 64% | 13 72% | 7 76% | 9 81% | 10 87% | 5 90% | 6 94% | 6 98% | 1 98% | 3 100% |
| 1 BOOK | Qualified | 8 | 3.06 | 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% | 1 12.5% | 0 12.5% | 1 25.0% | 2 50% | 1 63% | 0 63% | 0 63% | 0 63% | 0 63% | 1 75% | 1 88% | 1 100% |
| 1 BOOK | Signature | 2 | 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% | 1 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 0 50% | 1 100% |
| Showcase #4 (1956, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 1 9.6 | 0% 2 9.4 | 0% 2 9.2 | 1% 3 9.0 | 1% 4 8.5 | 2% 10 8.0 | 2% 10 7.5 | 2% 10 7.0 | 3% 16 6.5 | 4% 19 6.0 | 4% 20 5.5 | 9% 40 5.0 | 12% 55 4.5 | 10% 45 4.0 | 8% 36 3.5 | 9% 41 3.0 | 5% 25 2.5 | 7% 31 2.0 | 4% 20 1.8 | 7% 34 1.5 | 4% 18 1.0 | 5% 23 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||