A Roman micromosaic plaque depicting St Peter's Square
A Roman micromosaic plaque depicting St Peter's Square

LAST QUARTER 19TH CENTURY

細節
A Roman micromosaic plaque depicting St Peter's Square
Last Quarter 19th Century
The oval reserve surrounded by a malachite band, all within a cartouche-shaped black marble setting, with green velvet case
5 in. (12.8 cm.) high; 6¾ in. (17.3 cm.) wide