REG(IO) MAR(TIS)
a statue of the helmeted Mars, represented on a lead plate (Rostowzew, Syll. n. 495; Rev. Num. 1898, 473), which probably indicated (HJ xxii.) the neighbourhood of the TEMPLUM MARTIS (q.v.) outside the porta Capena, on the extreme south of the city (cf. AD NUCEM).