Now showing: Colombia - Postal tax stamps (1935 - 1970) - 6 stamps.
WM: 2 Engraving: American Bank Note Co. Perforation: 12
WM: None Engraving: Waterlow & Sons Ltd, Londres Perforation: 12½
WM: 2 Engraving: American Bank Note Co. Perforation: 12
WM: None Engraving: Litografía Nacional Bogotá Perforation: 11