Watch List notes:

Anonymous issues, time of Domitian to Antoninus Pius, 81-161. Quadrans (Copper, 18 mm, 3.35 g, 6 h), Rome. Helmeted and cuirassed bust of Mars right. Rev. S C Cuirass. RIC (1st ed.) 19. Attractive apple-green patina. Well centered and a bold strike. Surfaces slightly rough, otherwise, good very fine.
From the collection of W. F. Stoecklin, Amriswil, Switzerland, acquired in the early 1950s from the estate of the late Dr. L. Naegeli of Zürich (died in 1951).