Inscription
recto: signed, lower left, in brown ink: [artist monogram: LC] RVYL delin: Romæ / mense Febr. 1665: ; by artist, upper center, in brown ink: Prospetto della Piazza di Sforsa , hoggi Piazza Barberina ; by artist, throughout composition, in brown ink: [the letters A-F] ; by artist, lower left, in brown ink: A. Palatium Eccel.mi [mi in superscript] Principis Barberini. B. Fons ab Urbano VIII ex inventione / Equitis Jois Laurentij Barberini extructus. C. Ecclia: et Conventus Fratrum / S. Nicolai ordinis Eremitarum S. Augustini reformatorum. D. Ecclia S. / Susannæ. F. Ecclia S. Caroli ad quatuor Fontes in Monte Quirinale. / F. Basilica S. Mariæ Maioris in Monte Esquilino. ; lower center, in graphite: [illegible, erased]
verso: upper left, in brown ink: [illegible, masked] ; upper left, in graphite: [illegible] ; ON STRIPS OF PAPER MOUNTED TO PERIMETER, lower right, in graphite: A20980 ; lower right, in graphite: E. 11