British merchant ship Diale bound for England according to a letter of the German naval attaché at Istanbul dated 20 January 1940

In his letter dated Istanbul, 20 January 1940 No. 650 g1. reported the German naval attaché to the Oberkommando der Wehrmacht Abteilung Ausland the ships passing Istanbul coming out of the Black Sea and loaded with contraband for or chartered by the enemy. An item reported on 14 January 1940 the British merchant ship Diale loaded with 11,245 ton petrol underway from Constanta, Romania to Corington. On the stern 1 gun and 1 flak and probably 1 gun on the bow.

Source

Bundesarchiv. German Marineattaché for , Greece, Romania and Bulgaria 1939-1941. RM 12-II/459.