Watch List notes:

Antoninus Pius. A.D. 138-161. AR denarius (18 mm, 3.14 g, 6 h). Rome, A.D. 160. ANTONINVS AVG PIVS P P TR P XXIII, laureate head of Antoninus Pius right / SALVS AVG COS IIII, Salus standing facing, head left, feeding from patera serpent arising from altar at feet to left, and holding scepter. RIC 304; BMC 987; RSC 735. toned. Nearly extremely fine. 

From the Maple Leaf Collection.