Romanus IV, AR 1/3 miliaresion, Constantinople, 1068-1071, 0.52g, 12.3mm.

Obv.  Facing bust of the Virgin orans, nimbate, wearing pallium and maphorium, triple line border; in field, (M) - ? / (?)K - R?.

Rev.  Bust of Romanus facing, bearded, wearing crown and loros, and holding patriarchal cross and globus cruciger; to right, P?M; within triple line border

BMC 8, DOC 7, Sear 1865a 

Courtesy of wegm.com, May 2011