The ornamental design for an article of jewelry, as shown and described.
FIG. 1 is a perspective view of an article of jewelry, showing my new design in a configuration of use;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is a bottom elevational view thereof;
FIG. 5 is another perspective view of the article of jewelry, shown in an alternate configuration of use;
FIG. 6 is a front view there;
FIG. 7 is a side elevational view thereof; and,
FIG. 8 is a bottom view thereof.
The broken lines in the drawings showing a pendant and an earring represent environmental subject matter only and form no part of the claimed design. The other broken lines represent portions of the article of jewelry that form no part of the claimed design.