BITHYNIA, Kings of. Prusias II. 182-149 BC. Æ 38mm (36.29 gm). Head of
  Hermes right, wearing a petasos / BASILEWS right, PROUSIOU left,
  terminal figure of Hermes facing, head turned slightly right, holding
  caduceus in left arm, right hand raised to petasos; monogram right;
  c/m: cornucopiae in incuse rectangle. 

RecGen 20. Good
  VF, dark brown patina with a few spots of green encrustation on the
  obverse. Exceptional and very rare. ($2000) Ex Bank Leu Auktion 30 (28
  April 1982), lot 157; Frank Sternberg Auktion 7 (24-25 November 1977),
  lot 107.

Triton V Sale, 15 Jan 2002, lot 424.
 Lot sold for USD 1750.

Used by permission of CNG, www.historicalcoins.com
From the Triton V Sale, January, 2002.
Used by permission of Classical Numismatic Group, www.cngcoins.com.