Aureus, AD 198 - AD 217 (Undated)
Caracalla (AD 198 - AD 217)
Obverse: Head.
Reverse: Severus seated on platform between Geta and Caracalla, Praetorian Prefect behind, Liberalitas in front, citizen below.
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: 413
Main data
Denomination: Aureus
Value: 1
Currency: Aureus
Year: AD 198 - AD 217 (Undated)
Type: Regular
Minting
Minting type: hammered
Parameters
Material: Gold