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| Metal Men #20 | ||
| DC Comics, 6-7/66 | ||
| Robert Kanigher story | Batman and Robin cameo. | |
| Ross Andru and Mike Esposito | 1st & only appearance of Dr. Yes, | |
| cover and art | robot twin of Egg Fu. | |
| 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 | 41 | 8.31 | 0 0.00% | 0 0.00% | 1 2.4% | 5 14.6% | 3 22.0% | 7 39.0% | 3 46.3% | 9 68% | 4 78% | 2 83% | 3 90% | 0 90% | 2 95% | 0 95% | 1 98% | 0 98% | 0 98% | 0 98% | 0 98% | 0 98% | 0 98% | 1 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 5 | 9.16 | 0 0.00% | 0 0.00% | 0 0.0% | 1 20.0% | 0 20.0% | 1 40.0% | 3 100% | 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% | 0 100% |
| Metal Men #20 (1966, DC Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 2% 1 9.8 | 12% 5 9.6 | 7% 3 9.4 | 17% 7 9.2 | 7% 3 9.0 | 22% 9 8.5 | 10% 4 8.0 | 5% 2 7.5 | 7% 3 7.0 | 0% 0 6.5 | 5% 2 6.0 | 0% 0 5.5 | 2% 1 5.0 | 0% 0 4.5 | 0% 0 4.0 | 0% 0 3.5 | 0% 0 3.0 | 0% 0 2.5 | 0% 0 2.0 | 2% 1 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||