The JD collection of Roman Republican Coins part III – Session I As circa 91, Æ 9.03 g. 

Laureate head of Janus; above, mark of value. 
ROMA *above* prow right. 

Sydenham 679. Crawford 339/1a. 

With permission of Numismatica Ars Classica - Auction 78, Lot 430, May 2014