Germany, Wehrmacht. A Rare German Cross in Silver, Light Version, by C.F. Zimmermann certificate_of_authenticity He attended a U-Boat commander’s

He attended a U-Boat commander’s course during the summer of 1941

maker marked “KO” for a widely documented but unidentified manufacturer

with a slotted and depressed beige doeskin medal bed

the 12 o’clock arm bears a crown and the 6 o’clock arm bears the date “1870”

The motto of the Order appears on the medallion and is "Isänmaan hyväksi" (For [the well-being or benefit or advantage of] the Fatherland)

Germany, Wehrmacht. A Rare German Cross in Silver, Light Version, by C.F. Zimmermann certificate_of_authenticity He attended a U-Boat commander’s(Deutsches Kreuz in Silber). Constructed of cupal with multi coloured enamels, the obverse consisting of a double overlaid eight pointed radiant starburst, bearing a central silvered disc overlaid by a raised and black enameled mobile swastika, situated within a circular laurel leaf wreath, wrapped in ribbon and joined together at the bottom by a plaque bearing an institution date of 1941, the reverse with four visible rivets securing the obverse