The ornamental design for a lamp, as shown and described.
FIG. 1 is a front elevational view of a light-emitting lamp;
FIG. 2 is a rear elevational view of the lamp of FIG. 1.
FIG. 3 is a plan view of the lamp of FIG. 1.
FIG. 4 is a bottom view of the lamp of FIG. 1.
FIG. 5 is a right side elevational view of the lamp of FIG. 1
FIG. 6 is a left side elevational view of the lamp of FIG. 1.
FIG. 7 is a perspective view of the lamp of FIG. 1.
FIG. 8 is a cross-sectional view of the lamp of FIG. 1, taken along a line 8-8; and,
FIG. 9 is a front elevational view of the lamp of FIG. 1 when a light source thereof is turned on.
Our design features a lamp that has a planar light source, denoted by first oblique line shading, and a decorative member, denoted by second oblique line shading. The light source emits light when turned on, and this emissive state is denoted by stippling in FIG. 9. The light source exhibits specular gloss when turned off. The decorative member also exhibits specular gloss. An opening in the shape of a quarter-circle is formed in the front of the decorative member to display the light source.