Diadumenian, AE18 of Markianopolis, Moesia Inf. 1 Assarion.

M OPELLIOC ANTWNEINOC, bare-headed, draped, cuirassed bust right.
MARKIANOPOLEITWN, Crescent and three stars.

Varbanov 1321 corr (this coin); Moushmov 602A.

Note: Varbanov 1321 which has this coin as its illustration,
is described as bust type c (bare-head and cuirassed), 
in error.
Courtesy of Antike Mümzen Auction, 2000.