Germany, Imperial. A Late First World War Trench Art Shell certificate_of_authenticity decorated with thirty small old

decorated with thirty small old european-cut diamonds and five similar cut rubies

the obverse with a round convex central medallion presenting the Austrian national colours (red-white-red) in enamels

measuring 95 mm (w) x 48 mm (h) and 100 mm (w) x 50 mm (h)

one constructed of a dark blue card stock binding with 20 paginated interior pages

The Department of the Army Historical Division

Germany, Imperial. A Late First World War Trench Art Shell certificate_of_authenticity decorated with thirty small old(Grabenkunst). A rare late First World War trench art shell, constructed of brass, the outer circumference featuring a hand pounded dimpled background covering approximately three quarters of the surface, bearing a raised biplane with a Luftstreitkrfte Iron Cross clearly visible on the tail, above a U Boat, with stylized clouds dispersed over the skyline, the base stamped with a manufacture date of JULI 1918 and with calibre information indicating