Tiberius and Drusus. AR Drachm. 3.40 gr, Caesarea, Cappadocia. 

Obv. TI CAES AVG P M [TR P] XXXIV, Laureate head of Tiberius right. 
Rev. DRVSVS CAES TI AVG F COS II TR P IT, Bare head of Drusus left. 

Sydenham 43; RPC 3621; RIC 84. 

The son of Tiberius by his first wife, Vispania, Drusus was born
c. 14 B.C. After the death of Germanicus he became the heir to
the throne but the in 23 AD Sejanus induced Drusus' wife, Livilla, 
to poison him.

Courtesy of Helios Auction 5, March 2011