Anonymous, AE18, time of Julian II. Festival of Isis Coinage, AD 337-364 

ISIS FARIA, Draped half-bust of Isis left, wearing hem-hem 
crown and holding sistrum in right hand. 
VOTA PVBLICA, Serapis standing facing, looking right, right
arm raised, holding globe in left hand. 

Vagi 3399; Cohen 27 (under Helena, wife of Julian II). 
Very rare. 

With permission of Dane's bank, UBS AG - Auction 78, Sept. 2008