64 AD., Nero, Rome mint, As, RIC 211.

Nero, Rome mint, 3rd emission, ca. 64 AD.,
Æ As (ø 23-24 mm / 8,94 g), brass ("orichalcum"), axes about coin alignment ↑↓ (ca. 200°), short die-break at 11-12 on the obverse,
Obv.: NERO CLAVDIVS CAESAR AVG GERMANIC , his radiate head facing right. (RIC obverse type 53 E)
Rev.: PONTIF MAX - TR POT IMP P P / S - C / I , Nero, as Apollo Citharoedus, standing r., playing lyre; in exergue Roman value number I (1 As).
RIC I, 211 (scarce) ; BMC 256 ; WCN 272 (pl. X, different dies) ; Coh. 248 ; CBN 325 ; http://www.acsearch.info/search.html?id=372957 (Numismatica Ars Classica NAC AG, Auction R, Lot 1448 , 17. May 2007, same dies) ; Triton I (2.-3.12.97) 1338 (both sides same dies) - 1339 (same obv. die) .

Sueton (Nero 21,25) mentions these types from Rome and provincial mints: "Statuas suas Citharoedico habitu posuit, qua nota etiam nummum percussit." - showing Nero's self-identification with Apollo.