Germany, Imperial. A Lot Of Imperial German Navy Postcards & Photographs certificate_of_authenticity each designed with a button

each designed with a button down fold over flap with a brown plastic button

the other designed to hold a trenching tool

with a central white enameled medallion dated “1864-1914”

Constructed of stamped steel with an olive-drab finish

Marked KO - Silver with black paint

Germany, Imperial. A Lot Of Imperial German Navy Postcards & Photographs certificate_of_authenticity each designed with a button(Postkarten und foto). A lot of three postcards and a photograph, including a colour postcard presenting a painting of a German submarine sinking a French ship in the Atlantic, by artist Willy Stwer (1864 1931), the reverse presents handwriting in black ink, dated 14 June 1917, postage stamped and dated 15 June 1917, measuring 13. 85 cm (w) x 9 cm (h), and in near very fine condition. A postcard presenting a black and white photograph of the Kreuzer