The ornamental design for an advertisinglabel, as shown and described.
FIG. 1 is a front view of the advertising label. The rear view of the advertising label would be a mirror image of the front view.
FIG. 2 is a top view of the advertising label of FIG. 1.
FIG. 3 is a left side view of the advertising label of FIG. 1.
FIG. 4 is a right side view of the advertising label of FIG. 1; and,
FIG. 5 is a bottom view of the advertising label of FIG. 1.
The broken lines outlining a shape of a generally rectangular label having curved corners illustrate an example environment only, forming no part of the claimed design. The broken curved line in FIG. 1 inward of the label and adjacent the claimed portion thereof illustrates a boundary of the claimed design and forms no part thereof.