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| Avengers #28 | ||
| Marvel Comics, 5/66 | ||
| Stan Lee story | 1st appearance of the Collector. | |
| Don Heck and Frank Giacoia art | Beetle appearance. | |
| Jack Kirby and Frank Giacoia cover | Giant-Man becomes Goliath. | |
| 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 | 887 | 6.71 | 0 0.00% | 0 0.00% | 2 0.2% | 8 1.1% | 23 3.7% | 42 8.5% | 52 14.3% | 79 23.2% | 75 31.7% | 104 43.4% | 89 53% | 72 62% | 73 70% | 62 77% | 70 85% | 55 91% | 29 94% | 23 97% | 14 98% | 7 99% | 3 99% | 3 100% | 0 100% | 1 100% | 1 100% |
| 1 BOOK | Signature | 39 | 6.47 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 2.6% | 0 2.6% | 3 10.3% | 3 17.9% | 4 28.2% | 4 38.5% | 5 51% | 3 59% | 2 64% | 3 72% | 3 79% | 2 85% | 2 90% | 3 97% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Restored | 15 | 7.03 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 1 6.7% | 0 6.7% | 0 6.7% | 4 33.3% | 1 40.0% | 2 53% | 1 60% | 2 73% | 0 73% | 0 73% | 2 87% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 12 | 5.58 | 0 0.00% | 0 0.00% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 0 0.0% | 1 8.3% | 0 8.3% | 0 8.3% | 1 16.7% | 1 25.0% | 2 41.7% | 1 50% | 4 83% | 0 83% | 1 92% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Avengers #28 (1966, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 0% 2 9.8 | 1% 8 9.6 | 3% 23 9.4 | 5% 42 9.2 | 6% 52 9.0 | 9% 79 8.5 | 8% 75 8.0 | 12% 104 7.5 | 10% 89 7.0 | 8% 72 6.5 | 8% 73 6.0 | 7% 62 5.5 | 8% 70 5.0 | 6% 55 4.5 | 3% 29 4.0 | 3% 23 3.5 | 2% 14 3.0 | 1% 7 2.5 | 0% 3 2.0 | 0% 3 1.8 | 0% 0 1.5 | 0% 1 1.0 | 0% 1 0.5 |
| cgcdata.com, last updated February 24, 2026 | ||||||||||||||||||||||||