Watch List notes:

ARKADIA, Arkadian League. Tegea. Circa 465-460 BC. Obol (Silver, 11.5 mm, 0.94 g, 8 h). Zeus Lykaios seated to left on throne, holding eagle on his outstretched right hand and scepter with his left. Rev. ΑRΚ - ΑDΙ (retrograde) Head of Kallisto to right wearing a pearl necklace, her hair bound in a tainia; all within an incuse square. SNG Copenhagen 187 = Williams 103 (O.69 /R. 61, same dies). Rare. Toned and with a wonderful early Classical head of Kallisto. Some of the usual roughness, otherwise, about extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions, ex Münzen und Medaillen 81, 18 September 1991, 72.