Obverse (Front)
Sir Charles Kingsford Smith - Aviator who in 1928, made the first transpacific flight from the US to Australia. He also made the first non-stop crossing of the Australian mainland, the first flights between Australia and New Zealand, and the first eastward Pacific crossing from Australia to the United States

Reverse (Back)
Lawrence Hargrave - Engineer, explorer, astronomer, inventor and aeronautical pioneer.

A star replacement banknote in Australia, used until 1972, replaced damaged or misprinted notes. These notes featured a star in the serial number, indicating a break in the consecutive sequence within bundles of 100, allowing bank tellers to easily identify and account for the substitution.

Note: small tear in top margin (just above the 'N' in COMMONWEALTH)