Watch List notes:

ANCIENT COINS, Roman, Antoninus Pius (AD 138-161), Gold Aureus, struck AD 148-149, ANTONINVS AVG PIVS P P TR P XII, laureate bust facing right, wearing an aegis, rev COS IIII, Aequitas standing left, holding scales and a cornucopiae, 7.45g, 6h (RIC 177 var; BMC 651, note; Calicó 1504). Well-struck from fresh dies in high relief, excellent portrait, lustrous, good extremely fine and a rare variety.
ex Spink Numismatic Circular, February 2002, vol CX, no.1, item RM0685

Estimate: £8000-10,000