Drawing is on verso of a fragment of a letter, in pen and brown ink. Although not in Piranesi's hand, the letter regards the copper plates by Nicholas Dorigny that Piranesi acquired from Paris in 1763 and refers to a potential lawsuit against the banker Barazzi and his agents in Paris. See Stampfle catalogue cited below for full transcription.
On same mat as 1966.11:79.
Numbered at lower left, in graphite, "203(?)"
Watermark: Anchor in circle, surmounted by six-pointed star, centered on chain line.
Morgan, Jane Norton, 1868-1925, former owner.
Morgan, Junius Spencer, 1892-1960, former owner.
Morgan, Henry S. (Henry Sturgis), 1900-1982, former owner.
Stampfle, Felice. Giovanni Battista Piranesi, Drawings in the Pierpont Morgan Library. New York : Dover, 1978, no. 78, repr.