Watch List notes:

Italy, Aquileia, Gregorio di Montelongo (1251-1269), Denaro, 1251-1269; AR (g 1,31; mm 20; h 12); GREGO RIV PA, the Patriarch entroned facing, Rv. AVI LEGIA, eagle standing with open wings. Bernardi 22; Biaggi 147.
Very rare, cabinet tone, about extremely fine.

Specimen with higher weight, ex. collection de Witt.