Wilhelm Martin Koska (1873-1937) was born in Germany and came to Australia in 1898. In 1908 he married Lily Maud Lever but she died in 1919 leaving very young children and Wilhelm remarried Mary Frances Wirth in 1923.W. Koska Invoice: Cream paper with black and red ink. Hole in the centre. Charing Cross ('Busy Bee' Next Lyric.) Bendigo, 22nd October 1930. Mr S.A. Bush. Dr. to W. Koska, Ladies and Gents' Tailor, Good Fit, Style and Workmanship Guaranteed. Terms Cash. 1930 Oct 6, So (sic) one suit to order £9/10/-.Includes receipt no. 141, pink paper black print. Bendigo 29th October 1930. Received with thanks from Mr. S. A,. Bush. W. Koska per W. Koska. Orange Stamp Duty 2 pence dated 29/10/30 and initials W.K. Box 625business, retail, general, w. koska. s.a. bush

The orchestra consisted of German male civilians interned as "Enemy Aliens" during World War 2. Those interned in 1941 were former Australian residents and New Guinea missionaries.The program indicates the caring attitude of the Australian authorities in permitting the acquisition of musical instruments, and the encouragement offered to the internees in order to produce the concert. Original single page paper program with printed list of orchestral items to be performed by the camp orchestra,19th.and 20th. July 1941, in Internment Camp 1, Tatura. Also lists the names of the members of the orchestra and their instruments.Nil.