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| Batman #12 | ||
| DC Comics, 8-9/42 | ||
| Don Cameron and Bill Finger stories | Joker appearance. | |
| Bob Kane and Jack Burnley art | 1st mention of "secret underground | |
| Jerry Robinson cover and art | hangars" which become the Bat Cave. | |
| 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 | 212 | 4.96 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 2 0.9% | 0 0.9% | 5 3.3% | 4 5.2% | 12 10.8% | 8 14.6% | 18 23.1% | 14 29.7% | 18 38.2% | 16 45.8% | 17 54% | 18 62% | 15 69% | 14 76% | 17 84% | 11 89% | 7 92% | 2 93% | 3 95% | 7 98% | 4 100% |
| 1 BOOK | Restored | 39 | 4.51 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 2.6% | 1 5.1% | 6 20.5% | 3 28.2% | 3 35.9% | 1 38.5% | 2 43.6% | 0 43.6% | 4 54% | 1 56% | 2 62% | 4 72% | 3 79% | 2 85% | 0 85% | 1 87% | 1 90% | 4 100% |
| 1 BOOK | Qualified | 9 | 4.06 | 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% | 1 11.1% | 1 22.2% | 0 22.2% | 0 22.2% | 1 33.3% | 0 33.3% | 2 56% | 1 67% | 1 78% | 0 78% | 1 89% | 0 89% | 1 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 4 | 5.88 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 25.0% | 0 25.0% | 0 25.0% | 2 75% | 0 75% | 0 75% | 0 75% | 0 75% | 0 75% | 0 75% | 0 75% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Batman #12 (1942, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 0 9.8 | 0% 0 9.6 | 1% 2 9.4 | 0% 0 9.2 | 2% 5 9.0 | 2% 4 8.5 | 6% 12 8.0 | 4% 8 7.5 | 8% 18 7.0 | 7% 14 6.5 | 8% 18 6.0 | 8% 16 5.5 | 8% 17 5.0 | 8% 18 4.5 | 7% 15 4.0 | 7% 14 3.5 | 8% 17 3.0 | 5% 11 2.5 | 3% 7 2.0 | 1% 2 1.8 | 1% 3 1.5 | 3% 7 1.0 | 2% 4 0.5 |
| cgcdata.com, last updated February 24, 2026 | ||||||||||||||||||||||||