Silver denarius of Hadrian.
Obverse: Laureate and draped head of Hadrian right. Legend around ' IMP CAESAR TRAIAN HADRIANVS AVG'
Reverse: Salus seated left, holding patera and feeding a snake rising from an altar. Legend 'P M TR P COS III', 'SAL AVG' in exergue.
Roman Imperial Coinage, volume II, page 356, number 137b.
Roman Silver Coinage, 1327.