The activities of the Bulgarian merchant ship ms Stalinsko according to a CIA report dated 5 August 1952

An item reported that the Bulgarian 900 tons merchant ship ms Stalinsko recently built at Varna, Bulgaria was unloading Bulgarian kaolin and further more broomstraw and wooden cases. Her machinery consisted of 1-8 cylinder 500hp engine. Het crew numbered 20 men.

Source
The report was published on www.archive.org, document number CIA-RDP82-00457R013300120008-7