Watch List notes:

Italian States, Sicilia (Sicily, Kingdom). Federico IV 'il Semplice' (the Simple) AR Pierreale. AD 1355-1377. ⧾:FRIDЄRICUS:DЄI:G:RЄX:SICIL:, crowned eagle standing to left, head reverted and wings spread, within octolobe with eight annulets in external voids / ⧾AC:ATЄNAR:2:NЄOPATRIЄ:DU:, coat-of-arms of Catalonia flanked by L-N across fields, all within octolobe with eight annulets in external voids. Biaggi 1320 var. (legends). 3.18g, 24mm, 2h.

Very Fine; clipped, some flatness, attractive cabinet tone. Rare.

From a private English collection;
Ex collection of a Swiss engineer;
Ex Nomos AG, obolos 2, 14 June 2015, lot 539.