Watch List notes:

France (Caen mint), gold louis d'or a la croix du Saint-Esprit, Louis XV, 1718 C, very rare, NGC AU 58, finest and only example in NGC census. KM-438.5; Gad-336; Dupl-1633; Fr-453. 9.79 grams. Seldom-seen mint and type with Maltese cross on reverse (Gadoury rates as R3), with bold strike and much luster, weak spot at 1-2 o'clock on reverse rim (adjustment marks) but otherwise choice, lightly toned around details. We can only find one other example sold at auction in recent years. NGC #6448949-001.
($2500-3750)