We claim the ornamental design for a shelf combined with mirror, as shown and described.
FIG. 1 is a perspective view of the claimed design;
FIG. 2 is a front view of the claimed design shown in FIG. 1;
FIG. 3 is a rear view of the claimed design shown in FIG. 1;
FIG. 4 is a side view of the claimed design shown in FIG. 1;
FIG. 5 is another side view of the claimed design shown in FIG. 1;
FIG. 6 is a top view of the claimed design shown in FIG. 1; and,
FIG. 7 is a bottom view of the claimed design shown in FIG. 1.
The broken lines in the figures are for the purpose of illustrating portions of the shelf combined with mirror, which form no part of the claimed design. The additional dash-dot broken lines show boundaries and form no part of the claimed design.