Germany. A Lot of Five First War U-Boat Photographs/Postcards

First Photograph is black and white, gloss finish, obverse illustrating six sailors aboard ship, one of which is holding a life preserver inscribed "S.M. UNTERSEEBOOT U11.", reverse inscribed in pencil "ORIGINAL PHOTOGRAPH OF SOME OF THE CREW OF U-BOAT U11, SUNK WITH ALL HANDS (MINED) 9 DECEMBER 1916", 150 mm (w) x 108 mm (h), discoloured). Second Photograph is black and white, faded to a sepia-toned look, gloss finish, obverse illustrating nine sailors aboard a u-boat, with an "x" above one sailor, an inscription in black ink below and dated "1916", reverse with a personalized inscription in black ink, 88 mm (w) x 138 mm (h)). First Postcard is black and white, matte finish, obverse illustrating twenty-two sailors standing upon a u-boat, reverse with a personalized inscription in black ink and dated "1916", 138 mm (w) x 88 mm). Second Postcard is black and white, faded to a sepia-toned look, matte finish, obverse illustrating a group of twenty-eight sailors topside on a u-boat, blank reverse, 138 mm (w) x 89 mm (h)). Third Postcard is black and white, matte finish, obverse illustrating a group of twenty-eight sailors topside on a u-boat, minor notes n the reverse, 88 mm (w) x 138 mm (h)). Ranging from fine to extremely fine. (C:102)