Germany, Kriegsmarine. A U-Boat Service Soldbuch to Franz Klumpp Province of China marked with the RZM (Reichszeugmeisterei)

marked with the RZM (Reichszeugmeisterei) and maker marked "M4/22" (Christian Theodor Dicke) on the reverse

functional insertion slot with push-button spring release and original red wool liner

also with surrounded laurel wreath

with separately attached/sewn 80mm tall "Sig" rune

on November 3rd

Germany, Kriegsmarine. A U-Boat Service Soldbuch to Franz Klumpp Province of China marked with the RZM (Reichszeugmeisterei)(Kriegsmarine Soldbuch). A rare Kriegsmarine issue Soldbuch, constructed of a brown card stock binding with 40 paginated interior pages filled with handwritten and stamped entries, named to FRANZ KLUMPP, who served aboard Type VIIC U Boats U 620 and U 255, before transferring to a torpedo boat unit, retaining a certified black and white photograph of Klumpp, measuring 10. 5 cm (w) x 14. 5 cm (h), demonstrating material fatigue consistent with wartime