Blue Tours earthenware vase

Rare small vase in Tours earthenware from the 19th century. Cobalt blue. Gilded decoration. Ermine, fleur-de-lys and swan pierced by an arrow (coat of arms of Claude de France, wife of François 1st) Other objects in Tours earthenware in my shop including vases with the coat of arms of François 1st which could be a counterpart.