Gallus was appointed Governor of Moesia by Decius and the troops proclaimed him emperor after Decius and his son died in battle. Gallus raised Decius younger son to be his colleague and kept Decius' widow Herennia as Augusta (Gallus' own wife Baebiana was never made Augusta). After Hostilian died of the plague, Gallus raised his own son Volusian to be his colleague, but both were killed by the usurper Aemilian
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Silver antoninianus issued AD 251-253.
Obv: IMP C C VIB TREB GALLVS PF AVG, Radiate, draped bust facing right.
Rev: PAX AVGVS, Pax standing left holding branch and traverse sceptre (VI in ex.).
Very Fine | AUD $80.00
Silver antoninianus issued AD 252.
Obv: IMP C C VIB TREB GALLVS AVG, Radiate, draped bust facing right.
Rev: LIBERTAS PVBLICA, Libertas standing holding pileus and traverse sceptre.
Very Fine-Extremely Fine | AUD $150.00