Watch List notes:

ANCIENT COINS, Greek, Kingdom of Egypt, Ptolemy II Philadelphos, with Arsinoe II, Ptolemy I, and Berenike I (285-246 BC), Gold Tetradrachm (or ½-Mnaïeion), mint of Alexandria, AΔEΛΦΩN, conjoined busts of Ptolemy II, diademed and draped, and Arsinoe II, diademed and veiled, facing right, Gallic shield behind, rev ΘEΩN, conjoined busts of Ptolemy I, diademed and draped, and Berenike I, diademed and veiled, facing right, 13.86g, 12h (Svoronos 604; SNG Copenhagen 133). Some light marks, good very fine.
ex Spink Numismatic Circular, August 2007, vol CXV, no.4, item GK2293

Estimate: £4000-5000