This striking red 10 Stotinki stamp from Bulgaria’s 1915–1916 “Liberation War” issue features the majestic Šar Mountain (Шаръ Пл.), symbolizing national pride and the wartime spirit of unity. Issued during Bulgaria’s involvement in World War I, the design captures the rugged beauty of the Balkan landscape with a flowing river at its base. The Cyrillic inscriptions commemorate Bulgaria’s military campaign of 1915–1916, marking this issue as both patriotic and historical in nature. A significant collectible reflecting Bulgaria’s wartime postal history.