Watch List notes:

Thessaly. Perrhaebi. c. 440-400 BC. Obol, 0.81g (8h). Obv: Horse galloping left, rein hanging loose. Rx: Π-Ε-Ρ-Α Athena in full armor charging right, holding spear and shield; all in incuse square. SNG München 144. SNG Oxford 3904. Boston 916. Slightly rough, otherwise EF

Ex Triton XV, 3 January 2012, lot 550