Indicia title is "Dennis the Menace Spring Special".
Assumed to be packaged by Fred Toole at Dennis the Menace Enterprises.
Art seems like Al Wiseman, but could be one of his assistants.
A different story with this same title appears in "Dennis the Menace" #68.
Mr. Wilson says that he was in the US Calvary with General Pershing, when Pershing
crossed into Mexico (1916-1917), 50 years earlier.
Printed on the back cover.