Watch List notes:

Ptolemaic Kingdom of Egypt, Ptolemy II Philadelphos, with Arsinöe II, Ptolemy I, and Berenike I AV Half Mnaieion (Tetradrachm). Alexandria, circa 285-272 BC. Jugate busts of Ptolemy II and Arsinöe II to right; Ptolemy is diademed and draped, Arsinöe is diademed and veiled; AΔEΛΦΩN above, Galatian shield behind / Jugate busts of Ptolemy I and Berenike I to right; Ptolemy is diademed and draped, Berenike is diademed and veiled; ΘEΩN above. CPE 314; Svoronos 604; SNG Copenhagen 133; Noeske 38; Boston MFA 2275; Dewing 2753-4. 13.83g, 21mm, 12h.

Near Very Fine.

From a private UK collection;
Ex Roma Numismatics Ltd, E-Live Auction 3, 25 October 2018, lot 284.