The 1941 Catalog for Periodicals also has an early registration for V Comics #1 with a publication date of August 6, 1941 (page 385). This is presumably an ashcan version, such as Fox's early registrations for Science Comics #1 and Weird Comics #2.
Notes:
Art identification based on Patenaudeās signed cover for the following issue, which both feature V-Man with a smoothly rounded head, distinctly shaded hair, dotted pupils with no irises, a wide smile showing teeth, and a pronounced chest with a few bumps drawn to convey the ribs. The Nazis are also drawn with bigger noses and sharper teeth, as well as there being spiky star-esque circles drawn to convey them getting punched.