World War II Patriotic cover
"Remember Pearl Harbor ... We Must Win ... Buy War Bonds & Stamps"
United States one-cent Scott 899 and two-cent Scott 900 are canceled by a boxed slogan Buy War Savings Bonds and Stamps. The cover is postmarked New York, New York, September 20, 1943. The artist for this thermographed design was Carl H. Lind; Franz Lind was the publisher.