Watch List notes:

EGYPT, Alexandria. Antoninus Pius. AD 138-161. BI Tetradrachm (25mm, 15.81 g, 12h). Dated RY 19 (AD 155/6). Laureate head right, drapery on left shoulder / Bust of Nilus right, wearing taenia and two lotus leaves, slight drapery; behind, reed; before, cornucopia from which emerges genius crowning Nilus with a wreath; L I-Θ (date) across field. Köln –; Dattari (Savio) 8204 bis.; K&G 35.671 var. (bust); RPC IV.4 Online 15592; Emmett 1412.19(R3). Light red tone. VF. Very rare, only two known to RPC.