1898 Spanish-American War Patriotic Cover, #279Bg 2c Pink Tied by Waving Flag Machine Cancel

Addressed to Baltimore, MD on Army and Navy Christian Commission of the International Committee corner card with "TAMPA FLA. AUG 2 1898" datestamp.
The letter was sent just days before the August 12 armistice between the United States and Spain, making it a piece of mail carried during active hostilities.