Watch List notes:

EGYPT, Alexandria. Hadrian. AD 117-138. Æ Hemidrachm (28mm, 14.45 g, 12h). Dated RY 18 (AD 133/134). Laureate, draped, and cuirassed bust right / Isis enthroned left, holding sistrum and scepter; L I H (date) across field. Köln 1116; Dattari (Savio) 1748; K&G 32.607; RPC III 5923; Emmett 1090.18. Dark reddish brown patina, some hard green encrustation on obverse and edge, pit on bust. Good Fine.

From the New Orleans Collection.

In general, hemidrachms are a rare denomination for the Roman Alexandria mint