Watch List notes:

Foreign Coins, Portugal, Alfonso V, silver real grosso for Castille and Leon (1475-1479), mintmark O/C, arms of Portugal with 10 castles, rev. arms of Castille and Leon within shield, letter C above, wt. 3.31gms. (Gomes 40.02), metal defect on reverse rim at 9 o'clock, otherwise good very fine and extremely rare
(2000-2500 GBP)