The ornamental design for a displayshelf, as shown and described.
FIG. 1 is a perspective view of a first embodiment of a display shelf showing our new design;
FIG. 2 is a front view thereof, the back view being identical;
FIG. 3 is a side view thereof, the opposing side being identical;
FIG. 4 is a top view thereof;
FIG. 5 is a perspective view of a second embodiment of the display shelf;
FIG. 6 is a front view of FIG. 5, the back view being identical;
FIG. 7 is a side view of FIG. 5, the opposing side being identical; and,
FIG. 8 is a top view of FIG. 5.
The broken lines illustrate portions of the display shelf and form no part of the claimed design.
Although elements are shown in broken lines, it is contemplated by the inventors that these elements can be converted to solid lines such as the shelves, the holes in the uppermost shelves and the slots in the uppermost shelves.