Tacitus, AE antoninianus. Siscia.

IMP CM CL TACITVS AVG, radiate, draped and cuirassed bust right.
PAX AVGVSTI, Pax standing or walking left, holding olive 
branch and sceptre.
P in right field.

Estiot 2228 var (officina and obv. legend), La Venera 1806 var (ditto)

Dane's collection no. T248, July 2018. Found in England.