Nero, AE sestertius. Rome mint. AD 63. 35mm, 25.34 g. 

NERO CLAVD CAESAR AVG GER P M TR P IMP P P, laureate head left.
ADLOCVT COH beneath Nero, bare-headed and togate, standing left with 
praetorian prefect on low platform on the right, right hand raised, 
addressing three soldiers standing right, of whom two carry standards; 
building in the background. S-C across fields. 

RIC 131; WCN 127. 

With permission of Roma Numismatics, May 2013.
Estimate £250.