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| Thunder Agents #4 | ||
| Tower Comics, 4/66 | ||
| Brown, Skeates & Silverstone story | Guy Gilbert of T.H.U.N.D.E.R. Squad | |
| Sekowsky, Giunta & Adkins art | becomes Lightning. | |
| Reed Crandall & Wally Wood cover & art | ||
| 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 | 32 | 8.66 | 0 0.00%  | 0 0.00%  | 1 3.1%  | 9 31.3%  | 5 46.9%  | 5 63%  | 3 72%  | 0 72%  | 3 81%  | 1 84%  | 1 88%  | 1 91%  | 0 91%  | 2 97%  | 1 100%  | 0 100%  | 0 100%  | 0 100%  | 0 100%  | 0 100%  | 0 100%  | 0 100%  | 0 100%  | 0 100%  | 0 100%  | 
| 1 BOOK | Qualified | 1 | 9.40 | 0 0.00%  | 0 0.00%  | 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%  | 0 100%  | 
| Thunder Agents #4 (1966, Tower Comics) CGC Universal Grade Distribution  | ||||||||||||||||||||||||
| 0% 0 10  | 0% 0 9.9  | 3% 1 9.8  | 28% 9 9.6  | 16% 5 9.4  | 16% 5 9.2  | 9% 3 9.0  | 0% 0 8.5  | 9% 3 8.0  | 3% 1 7.5  | 3% 1 7.0  | 3% 1 6.5  | 0% 0 6.0  | 6% 2 5.5  | 3% 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  | 0% 0 1.8  | 0% 0 1.5  | 0% 0 1.0  | 0% 0 0.5  | 
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||