second problem solved first

Zercho's. That was (fairly) easy. 

The above is from the Argus 2 Feb 1945 p. 15, and relates to the image previously posted. More information on what Zercho's actually was: 

The origins and fate of Zercho's are related in this article from the Age 19 July 1980 p. 43, which is also informative about something else peripherally interesting(?).