Vade Mecum at Rome, Vol. II
Binding: 8 1/8 x 5 1/2 in (206 x 140 mm)
Leaf: 7 3/4 x 5 1/4 in (197 x 133 mm)
Purchased by Pierpont Morgan in 1907
Partial Ground Plan of the Grotto of the Casino Sacchetti (after Pietro da Cortona). Inscribed in black chalk, by the artist, at center, Siege; in another hand, at upper left, fontana nella vigna Sacchetti.
Watermark: Three mounds.