Numerian AE16 quinarius. 1.94 gr.

IMP NVMERIANVS AVG, laureate, cuirassed bust right.
PAX AVGG, Pax advancing left, holding branch and sceptre; 
Delta in exergue. 

RIC 435 var (bust type); Cohen 53 var (ditto).

With kind permission of Numismatik Leu AG, Auction 86.
Sold for 400 Swiss Francs ( ca. $300 at the time of the sale)