Keywords: Austria Levant 1890 Sc21.jpg en Postage stamp of the Austro-Hungarian Empire for usage by Levant post offices 10 Para on 3 Kreuzer green used in Constantinopel Catalogue Sc 21 Mi 21 Valid for postage to 30 9 1900 1890 Scan of original Austro-Hungarian postal authorities PD-old 1890 stamps Austrian post offices in the Ottoman Empire |