Watch List notes:

Thessaly, Uncertain mint Æ20. Mid to late 4th century BC. Most likely countermarked by the Athenians 2nd - 1st Century BC. Blank surface with outline of previous type; countermark owl standing right with closed wings, head facing, within round incuse / Blank surface; possible remnants of previous type. Cf. Triton XV, lot 389.1; Roma E-1, lot 29. 6.39g, 20mm.

Coin in fair condition, countermark Very Fine.