Six Aboriginal boomerangs

Six Aboriginal boomerangs
Australia
three carved depicting animals, 39.5cm, 61cm and 71cm wide, one with notched wavy and linear decoration, 66cm wide, one with textured surfaces, 52cm wide, one with incised linear decoration to one end, 62cm wide, a boomerang spear with burnt decoration depicting a koala, 59cm long, and two spear throwers woomeras, the longer carved depicting emu's and kangeroo's, with a gum terminal, 81cm and 58.5cm long. (9)