Lamp

FIG. 1 is a front, top, and right perspective view of a lamp showing our new design, the lamp shown in a first state; FIG. 2 is a rear, bottom, and left perspective view thereof; FIG. 3 is a front elevational view thereof; FIG. 4 is a rear elevational view thereof; FIG. 5 is a left side elevational view thereof; FIG. 6 is a right side elevational view thereof; FIG. 7 is a top plan view thereof; FIG. 8 is a bottom plan view thereof; FIG. 9 is an enlarged detail view taken from the oval portion 9 of FIG. 1 ; FIG. 10 is a front, top, and right perspective view of the lamp in FIG. 1 shown in second state; FIG. 11 is a front, top, and right perspective view of the lamp in FIG. 1 shown in a third state; and, FIG. 12 is a front, top, and right perspective view of the lamp in FIG. 1 shown in a fourth state. The dash-dash broken lines in the drawings depict portions of the lamp that form no part of the claimed design. The dot-dash broken lines in the drawings demarcate the boundaries of the enlarged views and form no part of the claimed design. A symbolic break, shown in broken line, appears in the length of a wire of the lamp. The break line, as well as the appearance of any portion of the wire of the lamp beyond the break line, forms no part of the claimed design.