Watch List notes:

Italy, Button matrix Carlo Sebastiano de Masserano (1767 - 1798) (Steel, 300 gr, 29 mm) Crowned and mantled arms. Extremely Fine. EXTREMELY RARE and presumed to be UNIQUE.

Marquis de Masserano and appointed Prince of Masserano. Knight of the Order of the Most Holy Annunciation and Adelaide of Bethune-Poland his wife.