AUSTRALIA 1959 (FDC) 4D POST OFFICE ANNIVERSARY, PERTH
4d Post Office Anniversary single on Archibald Guthrie cover embellished by Overseas Mailers (indigo sailing ship) with GPO PERTH, WEST-AUST circular cancel dated 22 APR 59, the first day of issue. Scarce. Generally fine. SG331; SC332
