Germany, Kriegsmarine. A Wartime Signed Portrait Of U-Boat Ace Karl-Friedrich Merten Archive with a center catch for

with a center catch for stabilization and a horizontal needle style pin with a crimped ball hinge and a crimped round wire catch

Natal and Cape Colony

1944 and serving in Norway on the staff of Admiral Otto von Schrader

raised insignia

Germany, Kriegsmarine. A Wartime Signed Portrait Of U-Boat Ace Karl-Friedrich Merten Archive with a center catch for(Kriegsmarine Portrt mit Unterschrift). A rare wartime signed portrait of U Boat ace Karl Friedrich Merten, depicted in uniform and with an extensive array of decorations clearly visible, the image overlaid by Mertens handwritten signature in black ink, the reverse with studio marks and an illegible date stamp, measuring 102 mm (w) x 148 mm (h), in extremely fine condition.