Caligula (AD 37-41). Orichalcum sestertius (27.92 g). Rome, AD 37-38. 

C CAESAR AVG GERMANICVS PON M TR POT, laureate head left.
AGRIPPINA DRVSILLA IVLIA S C, Caligula's three sisters with the attributes of Securitas, Concordia, and Fortuna: Agrippina leaning on column, holding cornucopiae, and placing left hand on 
Drusilla's shoulder; Drusilla holding patera and cornucopiae; Julia holding rudder and cornucopiae. 

RIC 33; BMCRE 36; Paris 47; Cohen 4.

With permission of Freeman & Sear - Gemini I, Session 2 Lot: 311, Jan 2005.