"SAHOVSA OLIMPIJADA-FILATELISTICKA IZLOZBA" is the text of the black cancel used for the Stamp Exhibition in Dubrovnik. The text is around the cancel. In the middle is the horizontal date and hour. The year is missing.Under the date is the text: DUBROVNIK. The cancel was in use during the Stamp Exhibition starting on August 20 to September 3, 1950. Djuka's collection contains most of the dates during this period.