Watch List notes:

EGYPT, Alexandria. Nero. AD 54-68. BI Tetradrachm (23mm, 10.32 g, 12h). Dated RY 4 (AD 57/8). Laureate head right / [OKTAOVIA ΣEBAΣTOV], draped bust of Octavia right; L ∆ (date) in lower right field. Köln –; Dattari (Savio) 191; K&G 14.25-6; RPC I 5213 or 5222; Emmett 127.4. Good Fine, toned, patches of verdigris on the reverse, metal flaw on the obverse.

From a Hungarian Collection formed primarily in the 1930's.