Russia, Imperial. A 50th Anniversary Badge of the Treugolnick Plant, St. Petersburg, c.1910 Heer. A Flak/Artillery Hauptmann’s Service Tunic 7mm (w) x 23

7mm (w) x 23

the obverse with a raised slightly pebbled field depicting a German national eagle with open wings

obverse centre featuring Gold Royal Hawaiian Crown on a white enameled background

The first "La Navigazione Aerea" for Italian aeronautics was published by the AeCI October-November 1912

the reverse marked “GES GESCH”

Russia, Imperial. A 50th Anniversary Badge of the Treugolnick Plant, St. Petersburg, c.1910 Heer. A Flak/Artillery Hauptmann’s Service Tunic 7mm (w) x 23In bronze and enamels, measures 27. 9 mm (w) x 36. 6 mm (h), chips to enamel in blue ring, dark patina, vertical pin on reverse, near very fine condition.