Vintage 1950 hedgehog ashtrays by Walter Bosse for Hertha Baller

Very nice set of nesting hedgehog family ashtrays by walter bosse in green patinated metal published by hertha baller circa 1950 in good condition. The set displays a slight patina of time. Austrian production of the 50s, walter bosse is known for his artistic zoomorphic brass productions. First edition, they are in excellent condition. Height: 8 cm - width: 11 cm - depth 7 cm.