Watch List notes:

KINGS of MACEDON. Perseus. 179-168 BC. AR Tetradrachm (31mm, 15.56 g, 12h). Reduced standard. Pella or Amphipolis mint; Au-, mintmaster. Struck circa 171-168 BC. Diademed head right / Eagle, wings spread, standing right on thunderbolt; NK monogram above, AY (mintmaster's) monogram to right, ΛΩ monogram between legs; all within oak wreath; below, plow right. Mamroth, Perseus 20b; HGC 3.1, 1094. Near EF, darkly toned.

From the Dr. Lawrence D. Sporty Collection. Ex Dr. W Schink Collection (Spink Zürich 20, 6 October 1986), lot 207.