A Stuart crystal memento mori ribbon slide

A Stuart crystal memento mori ribbon slide, centred with gold wirework initials ED on a plaited hair ground and flanked to the left with an enamel figure possibly an angel and an enamel skeleton to the right, a skull beneath with grave diggers implements, and a winged hourglass above. Engraved gold collet and further engraving to the arms. Circa 1690. 2.9cm wide.