Watch List notes:

The Roman Empire

Antoninus Pius, 138 – 161. Aureus 148-149, AV 7.25 g. ANTONINVS AVG – PIVS P P TR.P XII Bareheaded bust r., with drapery on l. shoulder. Rev. C – OS – IIII Aequitas standing l., holding scales and cornucopiae. C 237 var. (no drapery). BMC 646 var. (no drapery). RIC 177. Calicó 1499 (these dies).
A bold portrait struck in high relief, good extremely fine

Provenance
Archer M. Huntington (1870-1955) Collection, offered to the Hispanic Society of America (New York), accession number 30006, sold by Sotheby's, single-lot sealed-bid auction, New York, 8 March 2012.
Archer M. Huntington (1870-1955) Collection, sold by Numismatica Ars Classica, Zürich, auction 67, 17 October 2012, lot 151.