it is approximately 14" (35cm) long
also known as Sister Pia (Schwester Pia)
although in the top half in casualties
obverse illustrating the City of Hamburg coat-of-arms in the centre
along with Zvonimir medal and another small size badge
An Rare Imperial German Navy (Kaiserliche Marine) Compass By Carl Bamberg Friedenau Auction Archive it is approximately 14" (35cm)Polished steel casing, face plate maker marked "CARL BAMBERG FRIEDENAU" and numbered "No 4900", directional needle in steel blue and mounted to a central brass base, the needle marked "N" (North) at one end, gradated inner ring marked with the directions in German (Norden, Sd, Osten, West, with intermediate directional points), the outer ring marked in 360 degrees, glass face, reverse marked with the Imperial crown, an "M" and numbered "103", stem in