Antoninus Pius. Denarius

Antoninus Pius; 138-161 AD. Rome, 159 AD, Denarius, 3.27g. BM-582, C-1117 (3 Fr.), RIC-293 note. Obv: ANTONINVS - AVG PIVS P P Head laureate r. Rx: [V]OTA SVSCEP - DECENN III around, [C]OS IIII in exergue, Antoninus, togate and veiled, standing l. extending r. hand over tripod altar. There are two unexplained lines, crossing like a large T, as though indicating a corner and two sides of a square altar, on the ground between the tripod altar and the emperor's lower legs on the reverse.