Watch List notes:

Marcus Aurelius. A.D. 161-180. Æ dupondius (23 mm, 9.45 g, 12 h). Rome, A.D. 170/1. M ANTONINVS AVG TR P XXV, radiate head of Marcus Aurelius right / COS III, S C across field, Mars advancing right, holding spear and trophy over shoulder. RIC 993. Dark green (nearly black) patina. Small flan. Very fine.

From the Maple Leaf Collection.