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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 | 431 | 8.61 | 0 0.00% | 0 0.00% | 42 9.7% | 72 26.5% | 69 42.5% | 46 53% | 50 65% | 32 72% | 34 80% | 20 85% | 20 89% | 15 93% | 12 96% | 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 | 38 | 8.44 | 0 0.00% | 0 0.00% | 2 5.3% | 5 18.4% | 6 34.2% | 4 44.7% | 4 55% | 4 66% | 2 71% | 5 84% | 1 87% | 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 | 4 | 7.35 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 25.0% | 0 25.0% | 1 50% | 0 50% | 1 75% | 0 75% | 0 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% | 0 100% |
| 1 BOOK | Restored | 2 | 8.10 | 0 0.00% | 0 0.00% | 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% | 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% 42 9.8 | 17% 72 9.6 | 16% 69 9.4 | 11% 46 9.2 | 12% 50 9.0 | 7% 32 8.5 | 8% 34 8.0 | 5% 20 7.5 | 5% 20 7.0 | 3% 15 6.5 | 3% 12 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 May 05, 2026 | ||||||||||||||||||||||||