Emil R. Retzlaff was a major shipping company founded in Stettin, (now Szczecin) in 1898. [1] The company went bankrupt in 1931. [1]
The business was also involved with the shipbuilders Ostseewerft AG. [1] The company flag consisted of a blue saltire on a white background. The initials E, R and R, also in blue, were placed in the 2nd, 3rd and 4th quarters of the saltire. [2]