Watch List notes:

Antoninus Pius. A.D. 138-161. Æ dupondius (24 mm, 10.58 g, 5 h). Rome, A.D. 155/6. Radiate head of Antoninus Pius right / TR POT/XIX/COS IIII in three lines within laurel wreath; below, S C. RIC 958. Deep olive-green patina, light roughness. Very fine.