Watch List notes:

Euboia, Chalkis. Silver Tetrobol (2.64 g), ca. 180-146 BC. Sosipa…, magistrate. Diademed and draped bust of Hera facing slightly right. wearing triple -pendant earrings. Reverse: ΧAΛKI, prow of ship right; below, magistrate's name: ΣΩΣIΠA. BCD Euboia 263 = Picard em. 82, 12 (dies 1/a), pl. XXVI, 4 (this coin). Very Rare - one of only thirteen known specimens. Elegant style and lovely old cabinet toning. Very Fine. Estimate Value $800 - 900
From the Lee Rousseau Collection.
According to Picard (p. 203), this coin was the only one of its kind in the 1968 Euboia hoard.