1970s very Rare Set of 3 Book shaped Ashtrays in Murano Glass by Antonio Im

Very rare set of 3 ashtrays in murano glass by antonio imperatore. Amazing handcrafting that has formed this stunning book shaped ashtray set. Gorgeous finishes and endless little details that become visible with the changing of the lighting and viewing angle. 1970s, made in italy. Murano glass. Excellent condition. Original label on each item - antonio imperatore. Measures: 16 X 13 X 3, 5 h cm. 13 X 10, 5 X 3 h cm. 9, 5 X 7, 5 X 3 h cm. 5.29 X 5.11 X 1.37 h inches. 5.11 X 4.13 X 1.18 h inches. 3.74 X 2.75 X 1.18 h inches.