The ornamental design for a jewelrychain, as shown and described.
FIG. 1 is a top plan view of a sectional length of a jewelry chain
according to the invention shown in a non-fastened, non-use position, the
bottom plan view being a mirror image;
FIG. 2 is a first side edge elevation view thereof, the opposite side view
being a mirror image;
FIG. 3 is a first end elevation view thereof, the opposite view being a
mirror image; and,
FIG. 4 is a top plan view of a sectional length of the jewelry chain shown
in a fastened, use configuration.