Egypt. Alexandria. Faustina Augusta, daughter of Antoninus Pius, 147-175. Tetradrachm (Billon, 23.10 mm, 13.44 g) dated RY 15 (= 151-152) ΦΑΥϹΤΙΝ ϹЄΒ ϹЄΒ ЄΥϹЄΒ ΘΥΓ Draped bust of Faustina right. Rev. Tyche of Alexandria draped (?), standing facing, turreted head turned to right, holding rudder in the right extended hand, drapery and statuette of Hermes (?) standing left on her left extended hand, wearing hem-hem crown, holding purse and caduceus in the right hand, L IЄ (date) across fields. RPC IV.4, 1342 (coin no. 9). Dattari-Savio pl. 171, 3270 (this coin). Dattari 3270 and pl. XXIV, 3270 (this rev. illustrated). Geissen 1960. Emmett 1951. Milne 2143. Vogt II, 79. Very Fine/Good Very Fine. Ex Giovanni Dattari Collection 3270, Il Cairo. Ex Naville Numismatics Ltd. 33, 16.07.2017, lot 253. Ex Künker 53, 22.02.2019, lot 8157. Prestigious tetradrachm of the young Faustina II elevated to imperial rank by her father Antoninus Pius in 147 AD at the birth of his first-born daughter while her spouse Marcus Aurelius remained Caesar until the death of his father-in-law in 161 AD. A coin of good wishes of the city of Alexandria towards the "Augusta" Faustina II and her dynasty.