Assignment of power of attorney by Niccolò di Neri di Zanobi de Marignis to Filippo de' Rucellai, Pietro di Ugo degli Alessandri, and Giacomo di Silvestro, all of Florence. Notarized by Bartolomeo di Antonio di San Miniato on 21 February 1419. Filed with the document is a short, later summary written in Italian on paper.
Sold by Renzo Rizzi (Milan).
From collection described in Zacour, Norman P. and Hirsch, Rudolf. Catalogue of Manuscripts in the Libraries of the University of Pennsylvania to 1800 (Philadelphia: University of Pennsylvania Press, 1965), p. 228 (Ms. Lea 398).