US D448407 S1
FIG. 1 is a front elevational view of a pen showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view;
FIG. 4 is a right side elevational view;
FIG. 5 is a top plan view;
FIG. 6 is a bottom plan view; and,
FIG. 7 is a front perspective view thereof.