Drive on left in Australia sign (with symbols) G9-V170
VicRoads Supplement to AS 1743

https://www.vicroads.vic.gov.au/~/media/files/technical-documents-new/traffic-engineering-manual-v2/tem-vol-2-part-217--as-1743-road-signs-specifications.pdf
Patrick van ReykVicRoadsGovernment of Victoria