The flag of Australia.
Own work
This image is protected by Crown Copyright because it is owned by the Australian Government or that of the states or territories, and is in the public domain because it was created or published prior to 1973 and the copyright has therefore expired. The government of Australia has declared that the expiration of Crown Copyrights applies worldwide. This has been confirmed by correspondence received by the Volunteer Response Team (Ticket:2017062010010417).