Watch List notes:

Martinian BI Nummus. Cyzicus, AD 321-324. IM C S MAR MARTINIANVΓ P F AVS (sic), radiate, draped and cuirassed bust to right / IOVI CONSERVATORI, Jupiter standing to left, holding Victory on globe in right hand and eagle-tipped sceptre in left, X-IIΓ above captive on ground to right, eagle to left holding wreath in beak; SMKΓ in exergue. RIC VII 16 var. (obv. legend, unlisted officina). 3.30g, 20mm, 12h.

Near Extremely Fine. Extremely Rare; apparently an unpublished officina for Cyzicus.

From the inventory of a UK dealer.