Patent to the Lieutenant at sea, given "aboard his majesty yacht Hohenzollern Venice the 13. April 1896", with calligraphed header and large stamp seal, fold traces, condition II. Heinrich Friedrich Christian Ludwig Retzmann ( born 27. April 1872 in Hanover; perished 4. November 1959 in Bad Salzschlirf) was a German naval officer, diplomat (Marine Attach+_) and businessman, the at the 26. November 1919 under simultaneous transport to the rear admiral from the Assets marine service release was.