FIG. 1 is a perspective view of a lamp showing my new design: FIG. 2 is a front elevational view thereof: FIG. 3 is a rear elevational view thereof: FIG. 4 is a left side elevational view thereof: FIG. 5 is a right side elevational view thereof: FIG. 6 is a top plan view thereof; and, FIG. 7 is a bottom plan view thereof.