The ornamental design for a footballdesklamp, as shown and described.
FIG. 1 is a top-side perspective view of a desk lamp showing my new design;
FIG. 2 is a right side elevational view thereof with the opposite side substantially a mirror image;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view;
FIG. 5 is a top plan view, with the bottom plain and unornamented:
FIG. 6 is a top-side perspective view of a modified form;
FIG. 7 is a right side elevational view of the modified form with the opposite side substantially a mirror image;
FIG. 8 is a rear elevational view of the modified form with the front elevational view of the modified form the same as in FIG. 3; and,
FIG. 9 is a top plan view, with the bottom plain and unornamented.
The portions of the drawings provided by broken line are intended to reflect environment, and do not form a part of the indicated embodiment of my design.