Tiberius or Tiberius Gemellus, AE15 of Philadelphia (Neocaesaria), Lydia.  14-37.

TIBERION SEBASTON, youthful, bare head right.
NEOKAISAREIS, winged thunderbolt.

RPC 3017; Paris 957; Waddington 6359; SNG Cop 373; SNG Munich 414; Imhoof LS 24; Mionnet II, 118.

The attribution to Tiberius the emperor is not 
certain. The head on the obverse has been described
as the son of Tiberius Gemellus (son of Drusus) and 
as Britannicus.

Ex-Gorny & Mosch Giessener Münzhandlung, Oct. 2013.