The ornamental design for a label, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front view of a label showing my new design in color; and,
FIG. 2 is a front view of a second embodiment of the label of FIG. 1 in gray scale.