Sonar

A Silver Age creation from the legendary team of John Broome and Gil Kane, Sonar made their debut in the pages of Groene Lantaarn Classics in 1970, sharing adventures alongside the likes of Hal Jordan, Abin Sur, and Dr. Polaris in that distinctive Dutch-language edition. With only a handful of catalog appearances across a brief 1970–1971 window published by Classics/Williams, this is a rare and intriguing corner of Silver Age comics history — the kind of find that makes a collector's pulse quicken. If you love the era when Broome and Kane were crafting some of the most imaginative stories in the medium, Sonar is a fascinating piece of that puzzle worth seeking out.