MAKEDONIEN. OLYNTHOS. Chalkidean League. Tetradrachm, 433-348. Laureate head of Apollo left; L in lower left field. Rev: Kithara of seven strings. Robinson & Clement Group L, 63 (A 43, P 55). 14,41g. Very rare. Extremely fine.
It is a very rare occurence, for a mint master to put their initials on a coin, especially in the Chalkidean League series.