Watch List notes:

ITALY, Naples (Kingdom). Filippo II di Spagna. 1554-1598. AR Mezzo ducato – Cianfrone (34mm, 14.99 g, 6h). First period. Napoli (Naples) mint. Struck 1554-1556. Crowned and armored bust right, wearing ruff; IBR monogram to left / Crowned coat-of-arms. MIR 159; Pannuti-Riccio 3. Rich old cabinet toning. EF.

From the Richard L. Horst Collection. Ex Classical Numismatic Review XLII.1 (Winter 2017), no. 450858; Numismatica Ars Classica 69 (4 December 2012), lot 723; Archer M. Huntington Collection (HSA 1001.1.21999).