2641841 Engraved ostrich egg, c.mid 6th century BC (ostrich egg) by Etruscan, (6th century BC); height: 15.8 cm; Private Collection; (add.info.: Sculpted in shallow raised relief, with central frieze of four panels divided by thin voluted columns, one panel enclosing a winged griffin, one a winged horse, one a stag, one a horseman.); Photo 穢 Christie\'s Images.