Organ balcony, best known as "cantoria" (singer's gallery) from the Duomo in Florence, Italy. Dismantled and partly destroyed in 1688; the upper frieze was remade by Gaetano Baccani in 1841. Marble, Museo dell'Opera del Duomo.
Donatello (Italian, 1386–1466)
<a href="//commons.wikimedia.org/wiki/User:Jastrow" title="User:Jastrow">Jastrow</a>, own picture