On sale date as given in the copyright application as listed in the Catalog of Copyright Entries, Periodicals, July-December 1950, page 249, registration number B262158.
Some information for this issue from Thomas Lammers via the Timely-Atlas group, September 2010.
in Patsy Walker (Marvel, 1945 series) #33 (March 1951) [Same text, different illustration(s).], #37 (November 1951) [Same text, different illustration(s).]