The ornamental design for a jewelryholder, as shown and described.
FIG. 1 is a perspective view of the jewelry holder;
FIG. 2 is a left-side view thereof;
FIG. 3 is a right-side view thereof;
FIG. 4 is a rear-side view thereof;
FIG. 5 is a front-side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a top plan view thereof wherein the jewelry holder is adorned with jewelry and is resting on a stand.
The broken lines showing the jewelry and the stand in FIG. 8 are included for the purpose of showing environmental structure and forms no part of the claimed design.