Watch List notes:

SICILY. Katane. Circa 415/3-403/2 BC. Tetras or Trionkion (Silver, 8 mm, 0.20 g, 12 h). Laureate head of Apollo to right; border of dots. Rev. Κ - Α Lyre and three pellets. Boehringer, Kataneische Probleme, Ts 19. Buceti -. Very rare. Clear, well-centered and with a fine dark patina as found. About extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions, ex Münzen und Medaillen FPL 505, November/December 1987, 36.