Watch List notes:

ANCIENT COINS. Roman Coins. Mint of Rome unless otherwise stated. Antoninus Pius (A.D. 138-161), Gold Aureus, 7.31g, 6h.Struck A.D. 147-148.ANTONINVS AVG PIVS P P TR P XI, head of Antoninus Pius facing right, laureate. Rev. PRIMI / DECEN / COS IIII within an oak-wreath (RIC 171a; Calicó 1610 (this coin); Biaggi 752 (this coin); BMC 630 note; C 669).Residual lustre, extremely fine.Very rare.
Ex M&M, Auction XIII, Basel, 17-19 June 1954, lot 693
Ex Biaggi Collection
Ex Numismatica Ars Classica, Auction 49, Zürich, 21 October 2008, lot 246
Part of the Aurora Collection.

Estimate: US$ 14,000