Watch List notes:

France. Dukes of Normandy. In the name of Saint Romain (?). AR Denier (20mm, 0.80g). Rouen mint(?). Struck ca 980s. +S C ROMAN, patriarchal cross, in the lower cross' angles crescents / +R[O]TOM[AC], temple, crescent on both sides. Poey D'Avant 119 (Plate IV, 5); Dumas 22 (Plate XVII, 3). Rare. Fine.

Estimate: 400 EUR