Cap of a Marker Pen

FIG. 1 is an isometric operational view of a cap of a marker pen showing my new design;

FIG. 2 is another isometric operational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof showing my design.

The broken lines are included for the purpose of illustrating features of the cap of a marker pen that form no part of the claimed design.