Unique Antoninus Pius & Faustina Junior Tetradrachm

Triton XXI, Lot: 146. Estimate $500. Sold for $1400. This amount does not include the buyer’s fee.

EGYPT, Alexandria. Antoninus Pius, with Faustina Junior. AD 138-161. BI Tetradrachm (25mm, 13.01 g, 11h). Dated RY 22 (AD 158/159). ANTωNINOC CЄB ЄVCЄ, laureate, draped, and cuirassed bust right of Antoninus Pius / ΦAVCTINA CЄBACTH, draped bust right of Faustina Junior. Köln –; cf. Dattari (Savio) 8049 (same types, but not dated?); K&G –; Emmett –; Staffieri, Alexandria In Nummis 161 (this coin). Good VF, toned with areas of find patina, some minor porosity. Extremely rare, if not unique, with the undated Dattari specimen (no. 8409) the only other billon tetradrachm depicting Antoninus Pius and his daughter as Augusta.

From the Giovanni Maria Staffieri Collection. Ex Classical Numismatic Auctions XVIII (3 December 1991), lot 409 (where it was misdescribed as Faustina Senior).