Watch List notes:

Marcus Aurelius, 161-180. Dupondius (Orichalcum, 23 mm, 9.94 g, 6 h), Rome, 170-171. IMP M ANTONINVS AVG TR P XXV Radiate head of Marcus Aurelius to right. Rev. PRIMI DECEN-NALES COS III S C in five lines; all within wreath. BMC 1407. Cohen 498. RIC 1008. Brown-green patina. Struck on a tight and slightly irregular flan, otherwise, nearly extremely fine.

From the collection of W. F. Stoecklin, Amriswil, Switzerland, acquired from J. Florange, in Paris, probably in the 1950s or 1960s.