Information on this issue supplied by Tom Lammers and the Atlas/Timely discussion list.
The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1949, 3rd Series, Vol. 3, No. 2, p. 256, Copyright number: B216381.
Shores pencils and Roth inks credits from atlastales.com. Nick Caputo doubts the input of either artist and suspects pencils may be early work by John Severin.