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' (21mm, 13.87 g, 12h). Alexandreia mint. Struck circa 272-261/0 BC. Conjoined busts of Ptolemy II and Arsinöe II right; Ptolemy is diademed and draped, Arsinöe is diademed and veiled; AΔEΛΦΩN above, shield to left, K below chin / Conjoined busts of Ptolemy I and Berenike I; Ptolemy is diademed and draped, Berenike is diademed and veiled; ΘEΩN above. CPE 311; Svoronos 618; Olivier & Lorber dies 5/8, 176 (this coin); SNG Copenhagen –. Fine. Very rare with K on obverse.

Ex Classical Numismatic Group 78 (14 May 2008), lot 988.