An 18-Karat Gold And Jewel-Set Agate Carving Of A Cat, Verdura, 20th Century. Photo Sotheby's

in mottled brown and black agate, wearing a gold and beaded collar with diamond drop, with diamond eyes and ruby-set coronet, with leather Verdura display case. Base applied with a plaque engraved VERDURA 18K; height 2 1/4 in. 5.7 cm - Estimate 1,200-1,800 USD

Sotheby's. Property from the Estate of Brooke Astor. New York | 24 sept. 2012 www.sothebys.com