Many, many panels made up this massive altarpiece. Dedicated to Mary, it stood in the crossing of Siena Cathedral.
Duccio
Sure, decorative patterns and prismatic color impress us now, but gold and ultramarine once broadcast value.
Duccio, The Rucellai Madonna
This little altarpiece was made to move—just like the saints on its wings, who seem to step out into our space.