The ornamental design for a mirror, substantially as shown and described.
FIG. 1 is a front, raised perspective view of a mirror according to a first embodiment of the invention;
FIG. 2 is a front view of the mirror of FIG. 1;
FIG. 3 is a rear view of the mirror of FIG. 1;
FIG. 4 is a right side view of the mirror of FIG. 1;
FIG. 5 is a left side view of the mirror of FIG. 1;
FIG. 6 is a top view of the mirror of FIG. 1;
FIG. 7 is a bottom view of the mirror of FIG. 1;
FIG. 8 is a front, raised perspective view of a mirror according to a second embodiment of the invention;
FIG. 9 is a front view of the mirror of FIG. 8;
FIG. 10 is a rear view of the mirror of FIG. 8;
FIG. 11 is a right side view of the mirror of FIG. 8;
FIG. 12 is a left side view of the mirror of FIG. 8;
FIG. 13 is a top view of the mirror of FIG. 8; and,
FIG. 14 is a bottom view of the mirror of FIG. 8.
The broken lines in the drawings show a symbolic break in the mirror and form no part of the claimed design. All surfaces not shown form no part of the claimed design.