Roundel with a Personification of the Moon, ca. 860?890, Made in south central France, Carolingian, Cloisonn? enamel, Copper alloy, gilding, iron back plate, Overall: 3 3/8 x 1/4 in. (8.6 x 0.6 cm), Enamels-Cloisonn?, This plaque is one of the earlie