Issued in 1986, this 40-Dinar commemorative stamp marks the 50th anniversary (1936–1986) of the first automatic telephone network group established in Bled. The design combines a technical schematic of early telecommunications equipment with a scenic view of Lake Bled and its iconic island church, symbolizing technological progress alongside national heritage. It reflects Yugoslavia’s modernization in communication infrastructure during the 20th century. The stamp is attractive to collectors of telecommunications, technology, and European scenic issues. A notable thematic piece linking engineering history with landscape artistry.