Four circular jade pendants

Four circular jade pendants
Each undercut with a movable shou medallion at the center: the first with a pearl border band joined by spacers to an inner ring with engraved C-scrolls; two of similar shape undercut with spacers joining an inner ring to an outer ring of C-scrolls and barbed edges; the fourth with engraved patterns on a wide ring finished with undercut and barbed edges.
2 1/4 to 2 5/16in (5.5 to 5.9cm) diam. (4).