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| G.I. Joe, A Real American Hero #21 | ||
| Third Printing | Marvel Comics, 3/84 | |
| Larry Hama story | 1st appearance of Storm Shadow. | |
| Larry Hama & Steve Leialoha art | Silent issue. | |
| Ed Hannigan & Klaus Janson 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 | 410 | 8.61 | 0 0.00% | 0 0.00% | 41 10.0% | 70 27.1% | 64 42.7% | 42 53% | 48 65% | 30 72% | 33 80% | 19 85% | 18 89% | 15 93% | 11 95% | 3 96% | 5 97% | 4 98% | 3 99% | 2 100% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 37 | 8.44 | 0 0.00% | 0 0.00% | 2 5.4% | 5 18.9% | 6 35.1% | 4 45.9% | 4 57% | 3 65% | 2 70% | 5 84% | 1 86% | 2 92% | 2 97% | 0 97% | 0 97% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 3 | 6.67 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 33.3% | 0 33.3% | 1 67% | 0 67% | 0 67% | 0 67% | 0 67% | 0 67% | 0 67% | 0 67% | 0 67% | 0 67% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 1 | 9.20 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 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% | 0 100% | 0 100% |
| G.I. Joe, A Real American Hero #21 Third Printing (1984, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 10% 41 9.8 | 17% 70 9.6 | 16% 64 9.4 | 10% 42 9.2 | 12% 48 9.0 | 7% 30 8.5 | 8% 33 8.0 | 5% 19 7.5 | 4% 18 7.0 | 4% 15 6.5 | 3% 11 6.0 | 1% 3 5.5 | 1% 5 5.0 | 1% 4 4.5 | 1% 3 4.0 | 0% 2 3.5 | 0% 2 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 | ||||||||||||||||||||||||