Egypt, Roman Provincial. Alexandria. (138-161 AD).  Dated RY 22 (158-159 AD). BI Tetradrachm (13.81g; 24.4mm). O./ ΑΝΤΩΝΙΝΟϹ ϹΕΒ ΕΥϹΕΒ laureate-headed bust of Antoninus Pius wearing cuirass and paludamentum, right, seen from rear Laureate head right. R./ L ΚΒ Sarapis seated, left, holding sceptre; at his feet, Cerberus; on throne, small figure of Nike. One of two examples known of Pius 403, first coin offered for public sale.  RPC IV.4 2052, D 2372, Geissen 1822. Pius 403. $300