Watch List notes:

Spain, Castile and Leon. Fernando II and Isabella. 1474-1504. BI blanco (18 mm, 1.44 g, 1 h). Toledo mint. Crowned F monogram; M to left, T to right; all within dotted inner border / Crowned double I monogram; T to left, M to right; all within dotted inner border. Calico type 221, # 528. VF, flan almost full-sized, scant legend; dark olive patina with tan deposits in fields and recesses.