Three 18th Century enamel boxes

Two 18th Century South Staffordshire enamel boxes, to include a rectangular example, the cover painted with classical buildings and figures by a lake within gilt border on turquoise ground, the sides painted with floral sprays, another painted with buildings by a river, and a circular box with bombe sides painted with Italianate lakeside buildings, probably Birmingham circa 1755, all with gilt metal mounts, 6cm diameter and smaller (3)