Ionia, Smyrna, Britannicus, RPC 2476
Nero or Britannicus, son of Claudius, 
Britannicus: killed AD 55 by Nero

AE 16, 3.89g
struck AD 50-54 under the magistrates Philistos (stephanophoros) and Eikadios (strategos)
Obv. Youthful bust of Britannicus, draped, bare-headed, right. Below the neck ZMY
Rev. EPI FILICTOV EIKADIO / S, Nike, flying right, holding trophy over left shoulder.

RPC 2476 (Nero as Caesar); BMC 283 (Britannicus); Klose 233, 37 (Britannicus)
very rare, VF (one of the nicest specimens)

It is discussed whether the obv. shows Britanicus or Nero. 
Britannicus was the son of Claudius with Messalina. 
Originally his name was Germanicus. After the victory of his 
father over Britannia he was renamed Britannicus. He was 
poisoned AD 55 by order of Nero.

From Jochen's album on Forvm Ancient Coins, Sept. 2010.