Numbered at lower center, in graphite, "86".
Stampfle, Felice. Giovanni Battista Piranesi, Drawings in the Pierpont Morgan Library. New York : Dover, 1978, no. 90, repr.
Drawing is on verso of a fragment of a letter written in pen and brown ink; see entry cited below for full transcription.
On same mat as 1966.11:87; 88; 91.
Morgan, Jane Norton, 1868-1925, former owner.
Morgan, Junius Spencer, 1892-1960, former owner.
Morgan, Henry S. (Henry Sturgis), 1900-1982, former owner.