Watch List notes:

PTOLEMAIC KINGS of EGYPT. Ptolemy II Philadelphos, with Arsinöe II, Ptolemy I, and Berenike I. 285-246 BC. AV Half Mnaïeion – "Tetradrachm" (20mm, 13.90 g, 12h). Alexandreia mint. Struck circa 270/65-261/0 BC. Conjoined busts of Ptolemy II and Arsinöe II right; Ptolemy is diademed and draped, Arsinöe is diademed and veiled; AΔEΛΦΩN above, Gallic shield behind / Conjoined busts of Ptolemy I and Berenike I; Ptolemy is diademed and draped, Berenike is diademed and veiled; ΘEΩN above. Svoronos 604; SNG Copenhagen 133; Noeske 38. VF, light scratches.