Campaign posters for the 1955 Indonesian election. Photo attributed to the Department of Information of the Republic of Indonesia, dated October 2, 1965. I assert that as the work of a  government ministry, this renders it a public domain work.
Department of Information of the Republic of Indonesia
2008-01-27
State Secretariat if the Republic of Indonesia, (1975) <i>30 Tahun Indonesia Merdeka</i> p88