Watch List notes:

BAKTRIA, Indo-Greek Kingdom. Zoilos I Dikaios. Circa 150-130 BC. AR Drachm (18mm, 1.44 g, 12h). Diademed and draped bust right / Herakles standing facing, holding wreath and club; winged figure on shoulder; (PAK) monogram to left. Bopearachchi Série 4 (monogram unlisted); Bopearachchi & Rahman –; SNG ANS –; cf. HGC 12, 219 (for type). Find patina, some roughness. VF. Unlisted monogram of a very rare type with the winged figure.

Ex Classical Numismatic Group Electronic Auction 261 (3 August 2011), lot 171.