Its more likely than you think.

http://i43.tinypic.com/rbikx0.jpg
http://www.womenaustralia.info/objects/D00353.htm

Communist Party of Australia
Description
Broken Hill

Interpretive description
Women in Broken Hill

Control
13
Rights
Outback Archives, Broken Hill City Library, New South Wales




If the picture was dated we would know whether these women had the vote.