Watch List notes:

MACEDON. Dikaia. Circa 480-450 BC. Trihemiobol (Silver, 12.5 mm, 1.06 g, 6 h). ΔΙ-Κ-Α Bull standing to right. Rev. Octopus in shallow incuse square. AMNG III/2, 59, 9 and pl. XIII, 25 (same dies). Schönert-Geiss, BDS -. Traité II, 1, 1592 and pl. LI, 5 . Very rare. Clear, well-centered and toned. Minor marks and the usual die break on the reverse, otherwise, good very fine.
From the "Collection sans Pareille" of Ancient Greek Fractions, and from the collection of A. Ghertsos, ex Münzen und Medaillen FPL 527, November-December 1989, 34.