Attributed to Charles-Louis Clérisseau (French, worked in Italy, 1721-1820), "A Chimneypiece in the Neo-Classical Style", c. 1770s/1780s, ink and two tones of gray wash, on cream-colored laid paper (perhaps with an even paler uniform gray wash), unsigned; watermark(s) partially obscured by repair tapes applied to verso, but with letters "...M A..." and "O...M" visible; inscribed on bottom margin with scale representing 6 "Palmi di Genova" (in which 1 Genoese oncia [inch] = 2 Genoese palmi; 1 palmo = 248 mm.); above it in the mouth of the fireplace another scale in different units.