The Second Known?

CNG 105, Lot: 901. Estimate $5000. Sold for $7500. This amount does not include the buyer’s fee.

Antoninus Pius. AD 138-161. AV Aureus (18mm, 7.21 g, 6h). Rome mint. Struck circa AD 140-143. ANTONINVS AVG PIVS P P TR P COS III, laureate head left / IOVI STATORI, Jupiter standing facing, holding scepter and thunderbolt. RIC III 72d; Calicó 1553 (but not illustrated); BMCRE p. 32, 210 note citing variant with obv. k (laureate head left) in Revue Belge 1880, p. 60f. Near EF, lustrous. Extremely rare with Pius’ head facing left. None listed in CoinArchives, possibly the second known example.