Coronet were distributors from the 1930s; they became Roger Berry in the 1940s. See http://www.austbuttonhistory.com/australian-button-history/distributers-wholesalers-importers/#Coronet
It is possible that Coronet/Roger Berry distributed these Walt Disney buttons in Australia. Most example turn up here, and the card is a similar size and colour. See also http://www.austbuttonhistory.com/australian-button-history/disney-buttons/
Woolworths and Coles buttons from the 1950-60s. See
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