Aureus, AD 138 - AD 161 (Undated)
Antoninus Pius (AD 138 - AD 161)
Obverse: Bust.
Reverse: Emperor seated on platform next to Liberalitas standing, giving coins to man standing at foot of platform.
Identification

Friedberg, A. L., Friedberg, I. S., Friedberg, R. (2017). Gold coins of the world: From ancient times to the present (9th ed.). Williston, VT: Coin and Currency Institute
number: 247
Main data
Denomination: Aureus
Value: 1
Currency: Aureus
Year: AD 138 - AD 161 (Undated)
Type: Regular
Minting
Minting type: hammered
Parameters
Material: Gold