Egypt. Alexandria under Antoninus Pius (AD 138-161). Billon tetradrachm. Struck in regnal year 20 (AD 156/7). Laureate, draped and cuirassed bust of Antoninus Pius r. / Antoninus Pius enthroned to l. on platform, extending hand and holding scepter; to l., Alexandria, wearing elephant headdress, standing r., offering wreath and holding scepter; to r., uncertain figure standing l., raising hand and holding scepter; across upper fields, L-K (date). Dattari-Savio 8051; RPC IV.4, 1825.