Assignment of power of attorney by Coppetto di Nuto Coppetti of Florence to Jacopo Silvestri, Bartolomeo di Antonio di San
Miniato, and Nino di Giovanni. Notarized by Piero di Ugo degli Alessandri on 2 August 1421, in the presence of the witnesses
Giovanni Bartoli and Giovanni di Andrea. Filed with the document is a short, later summary written in Italian on paper.