Instituted April 27, 1914. A rare badge composed of silver in a Latin cross, the arms bearing the inscription 1889 1914 on the 9 and 3 o’clock arms, and XXV 15 MAЯ on the 12 and 6 o’clock arms, the center medallion in gilt presents the crowned HI monogram of Nicholas I of Montenegro, the reverse presents a long vertical screw post with screw back plate, the badge measures 38.3mm (w) x 43.7mm (h), weighs 19.9 grams, dark patina, in very fine condition.