FIG. 1 is a front-top-left perspective view of a Christmas lamp;
FIG. 2 is a magnified view taken about rectangle 2 in FIG. 1;
FIG. 3 is a magnified view taken about rectangle 3 in FIG. 1;
FIG. 4 is a magnified view taken about rectangle 4 in FIG. 1;
FIG. 5 is a magnified view taken about rectangle 5 in FIG. 1;
FIG. 6 is a front-top-left perspective view thereof;
FIG. 7 is a magnified view taken about rectangle 7 in FIG. 6;
FIG. 8 is a magnified view taken about rectangle 8 in FIG. 6;
FIG. 9 is a magnified view taken about rectangle 9 in FIG. 6;
FIG. 10 is a magnified view taken about rectangle 10 in FIG. 6;
FIG. 11 is front-bottom-left perspective view thereof;
FIG. 12 is a magnified view taken about rectangle 12 in FIG. 11;
FIG. 13 is a magnified view taken about rectangle 13 in FIG. 11;
FIG. 14 is a magnified view taken about rectangle 14 in FIG. 11;
FIG. 15 is a magnified view taken about rectangle 15 in FIG. 11;
FIG. 16 is a top plan view thereof;
FIG. 17 is a bottom plan view thereof;
FIG. 18 is a right elevational view thereof;
FIG. 19 is a left elevational view thereof;
FIG. 20 is a front elevational view thereof; and,
FIG. 21 is a rear elevational view.
The broken lines in FIGS. 1, 4-6, 9-11, 14-16, and 18-21 showing a tree depict portions of the Christmas lamp that form no part of the claimed design. The part of the photograph shown within the broken line perimeter, as well as the broken-line perimeter itself, illustrates a portion of the Christmas lamp that forms no part thereof. The additional broken lines shown surrounding the detail views in FIGS. 1, 4-6, 9-11, and 14-15 are for annotative purposes only and form no part thereof.