Watch List notes:

Caracalla (198-217), Dupondius, Rome, AD 210-213; AE (g 12,23; mm 25; h 12); ANTONINVS PIVS AVG BRIT, radiate head r., Rv. SECVRITATI - PERPETVAE, Securitas seated r., propping head on r. hand and holding sceptre; in front, altar; in ex. [S C]. RIC 515; C 578.
Green patina, good very fine.