FIG. 1 is a left side elevational view of a marking instrument showing my new design, the right side being a mirror image thereof;
FIG. 2 is a rear elevational view;
FIG. 3 is a front elevational view;
FIG. 4 is a bottom plan view;
FIG. 5 is a top plan view; and,
FIG. 6 is a top plan view of a second embodiment of my new design, all other views being identical to FIGS. 1 through 4.