BITHYNIA, Kings of. Prusias I. 238-183 BC. AR Tetradrachm (16.68 gm). Diademed head of Prusias right BASILEWS right, PROUSIOU left, Zeus standing left, holding wreath in right hand, lotus tipped sceptre in left; thunderbolt and two monograms to left. Waddington, Recueil, pg. 220, 9. Toned VF. ($600) From the Robert Schonwalter Collection. Ex Coin Galleries (12-13 November 1964), lot 460. Triton V Sale, 16 Jan 2002, lot 1404. Lot sold for $1500, plus buyers fees. By permission of CNG, www.cngcoins.com.