The ornamental design for a jewelry piercing, as shown and described.
FIG. 1 is a bottom perspective of a jewelry piercing illustrating the new design;
FIG. 2 is a front view of the jewelry piercing illustrated in FIG. 1 (the rear view is a mirror image of FIG. 2);
FIG. 3 is a left elevational view of the jewelry piercing illustrated in FIG. 1 (the right elevational view is a mirror image of FIG. 3);
FIG. 4 is a bottom view of the jewelry piercing illustrated in FIG. 1; and,
FIG. 5 is a top view of the jewelry piercing shown in FIG. 1.
Those portions of the drawings shown in broken lines are provided as an exemplary environment in which the invention may be embodied, but do not form a part of the claimed design.