1910 Austria 50 Heller Postage Due

Austria · 1910 · 50 Heller

The stamp features a large numeral '50' in the center, flanked by 'K.K.' on the left and 'POST-PORTO' on the right, all within an ornate rectangular frame. The denomination 'HELLER' is prominently displayed at the bottom.

This stamp belongs to the Imperial-Royal (K.K.) postal system of Austria-Hungary, issued shortly before the outbreak of World War I. Postage due stamps were essential for collecting underpaid postage, reflecting the administrative needs of a large empire.