Nepotian, AE2, Rome. AD 350. 5.32 g. 

FL POP NEPOTIANVS PF AVG, bare-headed, draped, cuirassed bust right.
VRBS ROMA, Roma seated left on shield, holding Victory on 
globe and sceptre.

Mintmark RP. 

RIC 202; Cohen 3; Kent-Hirmer pl. 169, 671.
Extremely rare.

With permission of Numismatica Ars Classica, S. Markoff 
collection sale, lot 2104, Oct 2011
Estimate 60,000 Swiss Francs.