1979 Western Australia 150th Anniversary Gold Medallion 20 grams — Swan River Colony

Description: 1979 commemorative gold medallion marking the 150th anniversary of Western Australia and the founding of the Swan River Colony in 1829. Obverse: A portrait of a colonial-era figure (Swan River Colony founding), with sailing ships and a coastal scene, encircled by the inscription “SWAN RIVER COLONY FOUNDED 1829.” Reverse: Western Australian emblems including a ram’s head, a rock lobster/crayfish, wheat sheaves, and a shell, with the inscription “WESTERN AUSTRALIA 150TH ANNIVERSARY 1979.” Key details: Year: 1979 Theme: Western Australia 150th anniversary / Swan River Colony Format: Commemorative medallion Weight: 20 grams Purity: 99.99% (24 carat) Legal tender: no visible denomination A historical Western Australian commemorative piece with strong local/collector appeal.