Watch List notes:

COINS OF THE GREEK WORLD. PTOLEMAIC KINGDOM. Ptolemy II Philadelphos, 285-246 BC. Gold Pentadrachm (Trichryson) c. 285-261/0 BC, Alexandria. Diademed head of Ptolemy I to right, wearing aegis around neck. Rv. ΒΑΣΙΛΙΣΣΑΣ - ΦΙΛΙΣΤΙΔΟΣ Eagle with closed wings standing left on thunderbolt; to left, monogram above shield; to right, monogram. 17.85 g. Boston MFA -. SNG Copenhagen -. Svoronos 551. Very rare. Minor graffito on the reverse. About extremely fine.
(~€ 6580/USD 7575)
Ex Triton XX, auction CNG, New York City 10 January 2017, lot 380, and from the Marian A. Sinton Collection, auction CNG 53, 15 March 2000, lot 694, and ex Triton III, auction CNG, 30 November 1999, lot 651.