The history of Romanian postage stamps is divided into an early period, covering the postal history of the Ottoman principalities until 1859, including the appearance of the first stamps in Moldavia in 1858 and the United Principality of Wallachia and Moldavia (1859–1866); classical (1866-1947) and modern since 1948 periods of Romania. On July 21, 1858, the first postage stamps of the Principality of Moldova were issued with the image of a bull's head and a postal horn. They were printed by hand on laid paper; On the stamps there is an inscription in Cyrillic rum. "Porto scrisori" ("Delivery of the letter"). With just over 2,000 series produced, these stamps are now quite rare.