The date of Marcius is uncertain but is placed in Pliny before the affair of Sp. Maelius in 439. Grueber and Cesano favor a date about the middle of the second century B.C. (Broughton MRR I)
The Aedile who first distributed grain to the Plebs at one as per modius (Plin. NH 18.15; see types on the coins of M. Marcius M'. f., Grueber, CRRBM 1.149f.; Cesano, Stud. Num. 1 [1942] 203). (Broughton MRR I)