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 dot-dash broken lines in the drawings indicate boundaries of the claimed design, and the standard broken lines indicate environment only, neither of which form part of the claimed design.