Centenary Congress September 1980
Issued 17.09.1980 – First day of Congress (not FDC)
Postmark: Adelaide
Cahcet: Australia Post Souvenir cover – Koala
Stamp: Single SG 748
Centenary Congress September 1980
Issued 17.09.1980 – First day of Congress (not FDC)
Postmark: Adelaide
Cahcet: Australia Post Souvenir cover – Koala
Stamp: Single SG 748