Australia 1990 Austrlian-Soviet Scientific Co-Operation in Antarctica set of 2 unmounted mint, SG 1261-62
Australia 1990 Austrlian-Soviet Scientific Co-Operation in Antarctica set of 2 unmounted mint, SG 1261-62
Australia 1990 Austrlian-Soviet Scientific Co-Operation in Antarctica set of 2 unmounted mint, SG 1261-62