Watch List notes:

Egypt, Alexandria. Dattari. Antoninus Pius, 138-161 Tetradrachm circa 153-154 (year 17), billon 22mm., 13.28g. Laureate bust l., drapery on l. shoulder. Rev. Draped bust of Sarapis wearing kalathos and taenia, r.; in field, LI/Z. RPC Online 16112 (this coin). Dattari-Savio Pl. 115, 2353 (this coin).

Apparntly unique variant, Very Fnie.

From the Dattari collection.