French tanker Massis bound for French Tunisia according to a letter of the German naval attaché at Istanbul dated 22 December 1939

In his letter dated Istanbul,  22 December 1939 No. 575g reported the German naval attaché to the Oberkommando der Wehrmacht Abteilung Ausland the steamships passing Istanbul, loaded with contraband for the enemy. An item reported on 21 December the armed French tanker Massis loaded with7,500 ton gasoline bound for Tunis, French Tunisia. She had 1 gun on the bow and 1 gun at the stern crewed by naval gunners. Her master was not an officer. Light grey painted.

Source

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