Watch List notes:

The Roman Empire

Antoninus Pius, 138 – 161. Sestertius 145-161, Æ 22.89 g. ANTONINVS AVG – PIVS P P TR P Laureate head r. Rev. Antoninus in slow quadriga l. holding eagle-tipped sceptre; in exergue, COS IIII / S C. C 320. BMC 1669 (this coin). RIC 767a. M.M. Bendenoun, Coins of the Ancient World. A portrait of the JDL colletion, 63 (this coin).
Rare. A very interesting portrait and a finely executed reverse composition.
Brown-green patina and extremely fine

Ex Sternberg 10, 1980, 392 and NAC-Tradart 74, 2013, JDL part I, 309 sales. From the duplicates of the British Museum and the collection of Hans Berquin.