Watch List notes:

MACEDON, Cassandraea. Diadumenian. As Caesar, AD 217-218. Æ (19mm, 5.28 g, 6h). Bareheaded, draped, and cuirassed bust right / Head of Zeus-Ammon right. AMNG III –; SNG ANS –; SNG Copenhagen –; cf. Mouchmov 6328 = Varbanov 3373; Lindgren 1045 (same dies). Fine, dusty green patina. Very rare.

From the Belgica Collection. Ex J.S. Wagner Collection (Classical Numismatic Group Electronic Auction 189, 11 June 2008), lot 74 (where it hammered $380 on a $100 estimate).