Obverse

Radiated bust of Posthumus on the right, draped and cuirassed (paludamentum visible), seen from three-quarters forward (style 3 portrait).

Script: Latin

Lettering: IMP C POSTVMVS.P.F.AVG

Reverse

Fides (Fidelity) draped, standing left, holding a military ensign in each hand.

Script: Latin

Lettering: FIDES MI LITVM

Mint

Colonia Claudia Ara Agrippinensium, modern-day Cologne, Germany

Issuer

Gallic Empire (Roman splinter states) 

Emperor

Postumus (260-269)

Type

Standard circulation coin

Years

260-261

Value

Antoninianus (1)

Currency

Antoninianus (260-274)

Composition

Bronze