World War II Patriotic cover
"Have a Heart, Be a True American ... Cooperate with Uncle Sam"
This soldier's mail was sent under Free Franking from Fort Leonard Wood, Missouri. A smiling Uncle Sam encircled by a heart is the work of cachet designer, Leonard Borkowski, who supplied it to the cover sponsor, Ted Harrington of Milwaukee, Wisconsin. The cover is postmarked Fort Leonard Wood, Missouri, December, 2, 1943.
Sherman number 2840
Rawlins, R. D. [editor] Naval Cover Cachet Makers Catalog; Universal Ship Cancellation Society, 1985.
Sherman, M.D., Lawrence. United States Patriotic Covers of World War II. Collectors Club of Chicago, Illinois, 1999.