Watch List notes:

(x) Ptolemaic Kingdom of Egypt, Ptolemy I Soter, as King (305-282 BC), AR Tetradrachm, 12.84g, Alexandreia, diademed head of Ptolemy I right, wearing aegis, star countermark on neck, rev. Eagle standing left on thunderbolt, P and monogram left (Svoronos 259; SNG Copenhagen 72), some light scratches, fine.
Provenance
From the Nomos Brasiliana Collection (NB046)
CNG eAuction 230, 24 March 2010, lot 154 - $120
Estimate: £30 - £50