On sale date from the publication date found at the Catalog of Copyright Entries, Part 3, Periodicals, New Series, Volume 35, 1940, Number 3. Second class permit. Copyright number 464427. Copyright given to King Features Syndicate, Inc.
What luck! Took a spill, can't use this leg! But I've got to catch up to Diana.
Genre
adventure; jungle; superhero
Reprints
From Phantom daily strips (King Features Syndicate) 1937-09-17 - 1937-09-18, 1937-09-20 - 1937-09-25, 1937-09-27 - 1937-10-02, and 1937-10-04 - 1937-10-05, but one panel is omitted from one of the dailies on each page, in order to fit two 4-panel strips onto each 7-panel page.