29. 29Y A late 18th/early 19th century tortoiseshell and micro-mosaic gold and silver-gilt mounted snuffbox apparently unmarked Rectangular, the lid inset with a micro-mosaic depicting the Ponte Lucano and the Tomb of Plautii near Tivoli, within foliate relief frame, the lining of the box in .800 standard silver-gilt, length 8.8cm, weight gross 122.6gms.