The on-sale date is the publication date reported in the U. S. Copyright Office filing found at the Catalog of Copyright Entries, Part 2, Periodicals, New Series, Volume 35, January-December 1940, Numbers 1-4. Detective Comics is reported as the publisher in the filing. Second class permit. Copyright number 440426.
Spectre has a blue cloak and grey skin.
The Spectre has a blue cloak and grey skin, which was colored incorrectly in the Archive edition.
Jerry Siegel's name omitted from the splash page.
Letterer credit added by Craig Delich.
Story concluded next issue.
continued next issue