Thebai, Thessaly. Ca 302-286 BC. AE 18mm, 5.17 g.

Obv: Wreathed and veiled head of Demeter left.
Rev: QHBAIWN, Bridled horse trotting right; XA monogram below. 

Rogers 552 (this coin)

CNG Mail Bid Sale 76, 2007, lot 422. Sold for $300. 
From the Christopher Morcom Collection. Ex M.P. Vlasto Collection.

Used with permission of CNG coins, www.cngcoins.com, Sept. 2007.