We claim the ornamental design for a pole with display surface, as shown and described.
FIG. 1 is a front, left, top perspective view of the pole with display surface;
FIG. 2 left side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof.
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. The right side view of the pole with display surface is a mirror image of FIG. 2.