Now showing: United States - Postage stamps (1910 - 1919) - 9 stamps.
19. August WM: None Sheetsize: 100 Perforation: 11
WM: None Perforation: 11
WM: None Perforation: Imperforated
WM: None Perforation: 10 Horizontally
WM: None Perforation: 10 Vertically