Antoninus Pius (138-161).     AE 32 mm, Alexandria mint (Egypt), dated RY 22 (158-159).   Obv.    Laureate and draped bust right.        Rev.   Bust of Alexandria right, draped and wearing elephantskin-headdress.     K&G 35.790.     18.10 g.   32.00 mm.        Chocolate brown patina.    Good F.