Aelius as Caesar, AD 136-138. AV quinarius. Struck AD 137. 

L AELIVS CAESAR, bare head right.
TR POT COS II, Felicitas  standing left, holding caduceus 
and cornucopiae. 

RIC II 430 (Hadrian); BMCRE 968 (Hadrian); Cohen 51.

Extremely rare, less than 3 examples known on the date of this sale.
With permission of Numismatica Ars Classica, Auction 24, Lot 87, Dec. 2002.