The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Third Series, Vol. 1, Part 2, Nos. 1&2, Periodicals, 1946-1947. First 36-page issue.
From Phantom daily strips (King Features Syndicate) 1943-06-23 - 1943-06-26, 1943-06-28 - 1943-07-03 and 1943-07-05 - 1943-07-09 (except the last panel). [Many panels are stretched or clipped in order to fit them to the comic's pages; a few are re-arranged.]