Vintage 1950 hedgehog ashtrays by Walter Bosse for Hertha Baller

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