Three old hair pins, West & Central Australia, [3], all finely incised, two with interlocking designs and the other with incised concentric Circles, 19/20th century. Provenance: Lord Alistair McAlpine (1942-2014) was a British businessman, politician and author who was an advisor to Prime Minister Margaret Thatcher and a lifetime collector in many fields including Aboriginal Art. He was an early collector of the American painter mark Rothko and could easily see the sophisticated aesthetics of Aboriginal Art and Artifacts / Todd Barlin collection. 40 cm, 44 cm, 46 cm