Watch List notes:

Antoninus Pius (138-161), Dupondius, Rome, AD 139; AE (g 13,12; mm 27; h 12); ANTONINVS - AVG PIVS P P, radiate head r., Rv. FELICI- TAS AVG, Felicitas standing l., holding caduceus and cornucopiae; in field, S - C; in ex. COS [II]. RIC - (but cf. 535 - Sestertius type); C -.
Apparently unpublished. Untouched brownish patina, good extremely fine.