Second Polish Republic, Navy] ORP SĘP. Gdynia-Reda, May 1, 1939. Photograph measuring 8.8 x 6 cm. Description on the reverse. Traces of adhesive removal. ORP Sęp—a Polish submarine, one of two Orzeł-class vessels built for the Navy in the Netherlands. The submarine, with a submerged displacement of 1,473 metric tons, was launched on October 17, 1938, at the Rotterdamsche shipyard in Rotte...