France
Charles VI (1380-1422) gold Écu d'or à la couronne ND, Montpellier mint, 3rd emission, from 11 September 1389, Fr-291, Dup-369B, MS63 NGC. + KAROLVS : DЄI : GRACIA : FRAnCORVM : RЄX, crowned arms of France, a pellet beneath the 4th letter / + XPC * VINCIT * XPC * RЄGNAT * XPC * IMPЄRAT, cross fleurée, a star in the center; all within a quadrilobe with lis at points and crowns in spandrels. A superb example of this type, lustrous with very little noticeable ghosting.
Estimate: 1600-2000 USD