Watch List notes:

THE ALFRED FRANKLIN COLLECTION OF ANCIENT COINS, ROMAN SILVER AND BRONZE COINS, Antoninus Pius (AD 138-161), with Marcus Aurelius (as Caesar), Silver Denarius, struck AD 141, ANTONINVS AVG PIVS P P TR P COS III, bare head of Pius facing right, rev AVRELIVS CAESAR AVG PII F COS, bare-headed and draped bust of Aurelius facing right, 3.22g, 7h (RIC 415b; C 21). Delicate style, extremely fine, lightly toned.
Mint of Rome unless otherwise stated

Estimate: £250-300