Watch List notes:

Ptolemaic Kingdom of Egypt, Ptolemy I Soter AV Tetarte - 'Triobol or 1/10 Trichryson'. Alexandria, circa 294-285 BC. Diademed head to right, wearing aegis around neck / ΠTOΛEMAIOY BAΣIΛEΩΣ, eagle standing to left on thunderbolt; monogram to left. CPE 144; Svoronos 223. 1.79g.

NGC graded Ch AU★ 5/5 - 4/5 (#6156597-001). A highly attractive example. Very Rare; a magnificent example of the type.

From a private US collection;
Acquired from Heritage World Coin Auctions.