Primavera, by Sandro Filipepi Known as Botticelli, 1478 about, 15th Century, thick tempera on panel, cm 203 x 314 . Italy, Tuscany, Florence, Uffizi Gallery. Eight poplar-wood panels, of varying widths and uniform thickness of 3cm joined at the back by two firwood crosspieces.?Detail. The three Graces dancing dressed in the finest transparent veils, with long gathered hair. Behind are trees and a flowering meadow.