Julian II AV 9-Siliqua Arles, 1.62 g. AD 360-363. 

FL CL IVLIAN-VS PF AVG, pearl diademed, draped, cuirassed bust right.
VICTORIA AVGVSTORVM, Victory seated right on cuirass, holding 
shield inscribed VOT X, supported by small genius.

Mintmark KONSTAV. 
RIC VIII Arles 288; Depeyrot 10/3; Biaggi 2217 (this coin). 

Extremely rare.

With permission of Numismatica Ars Classica Auction 49, Lot 508, Oct. 2008.