Watch List notes:

Anonymous issue, time of Domitian to Antoninus Pius. AE Quadrans, Rome mint. Helmeted and cuirassed bust of Mars right. / S-C. Cuirass. RIC 19. AE. 3.30 g. 18.50 mm. An outstanding example, from masterly engraved dies. Lovely marbled emerald green patina. EF/About EF.