Italian "Grand Tour" Micromosaic Plaque

Description:

Italian "Grand Tour" Micromosaic Plaque, late 19th century, with central roundel of Piazza San Pietro, surrounded by eight further roundels of ruins of the Forum and other Roman landmarks, in malachite borders, on black slate turtle-back plaque, mounted on velvet, in painted frame, plaque wd. 7 1/8, central roundel wd. 2 in.
Estimate $1,200-1,800