Vintage 1950 hedgehog ashtrays by Walter Bosse for Hertha Baller

Very nice set of nesting hedgehog family ashtrays by walter bosse in patinated metal published by hertha baller circa 1950 in good condition. Austrian production of the 50s, walter bosse is known for his artistic zoomorphic productions in brass. First edition, they are in excellent condition, if we believe the interior, they have never been used other than for decoration, they are like new. Height: 8 cm - width: 11 cm - depth 7 cm.