Sarajevo provisional stamps have been sold on a single post office in Sarajevo from 4th to 6th of July, 1945. Therefore, it is not surprising that cancelled stamps are extremely rare - less than ten have been recorded, including three affixed to the only known letter and two affixed to the only known letter fragment.
1945 Sarajevo local provisional issue, a fragment of a registered letter, sent from Sarajevo (9.VII.45), franked with 6 din (2 din for letter and 4 din for registration). The only known letter fragment. Certificate Vilfan.