A fine Lagrange Bay shield, Western Australia, 19th century; with fine deep incised vertical striations on the front, the reverse with fine interlocking abstract designs, traces of red ochre and ancient patina. Provenance: Lord Alistair McAlpine (1942-2014); a British businessman, politician and author who was an advisor to Prime Minister Margaret Thatcher, he was 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 artefacts. 79 x 12 cm