Australia-1931-The Kingsford-Smith Commemorative Flights Postage Stamp Set-Illustrated

Shown below is the stamp set issued for Australia in 1931 to commemorate the global flights of Sir Charles Kingsford-Smith. The set had three values of 2 Pence, 3 Pence and 6 Pence. The 2 and 3 Pence values were for ordinary post the 6 Pence value for Airmail. The stamps had no watermark.