Bulgarian steamship Tsar Ferdinand bound for Palestina according to a letter of the German naval attaché at Istanbul dated 27 January 1940

In his letter dated Istanbul, Turkey 27 January 1940 No. 690g. 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 25 January the Bulgarian steamship Tsar Ferdinand loaded with 2,200 ton wheat underway from Burgas, Bulgaria towards Haifa, Palestina.

Source

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