Tacitus, AE antoninianus. Antioch mint.

IMP C M CL TACITVS AVG, laureate, draped, cuirassed bust right.
CLEMENTIA TEMP, emperor standing right, holding eagle-tipped
sceptre, receiving globe from Jupiter, standing left, holding
sceptre.
H in lower centre.
Mintmark XXI.

RIC V (1) 210 var (sceptre type); Pflaum 925-927.

Contributed by R Thomas Fox, "Tacitus" of the Forum Ancient Coins, Aug. 2014.