Watch List notes:

CELTIC, Carpathian region. Uncertain tribe. Late 2nd-early 1st century BC. Tetradrachm (Billon, 35 mm, 12.39 g, 1 h), "Bartkranzavers" type. Devolved head of Herakles to right, wearing lion skin. Rev. Horse trotting to left. Demski 1193. Lanz 577. OTA 269.5. Very fine.
From the Aletheia Collection and from a Swiss collection, Leu 83, 6 May 2002, 523c.