Greek cargo ship Jakavos visited the Black Sea according to a letter of the German naval attaché at Istanbul dated 12 February 1940

In his letter dated Istanbul, Turkey 12 February 1940 No. 729 g. reported the German naval attaché to the Oberkommando der Wehrmacht Abteilung Ausland the neutral ships passing Istanbul coming out of the Black Sea and loaded with contraband for or chartered by the enemy. An item reported the Greek cargo ship Jakavos on 3 February loaded with 310 wagons board underway from Constanta, Romania towards Alexandrie, Egypt.

Source

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