Serbia 1919 Postage Due, Numerals in Oval Frame

Serbia · 1919 · 50 Para

This is a postage due stamp issued for Serbia in 1919. The design features the numeral '50' prominently displayed within a decorative oval frame, indicating the amount due. The currency, Para, is inscribed below the central numeral.

Issued shortly after the end of World War I and the formation of the Kingdom of Serbs, Croats, and Slovenes (later Yugoslavia), this stamp reflects the administrative needs of the newly established postal system.