The Sacrifice of Polyxena. Artist: Giovanni David (Italian, Cabella Ligure 1749-1790 Genoa). Dimensions: plate: 8 3/4 x 11 15/16 in. (22.2 x 30.3 cm) sheet: 10 1/4 x 13 9/16 in. (26 x 34.4 cm). Date: 1776. According to Greek legend, the warrior Achil