FIG. 1 is a first perspective view of a pen showing my new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view thereof; the left side elevational view is a mirror image of the right side elevational view;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and
FIG. 8 is an enlarged cross-sectional view thereof taken along line 8-8 in FIG. 4.
FIG. 9 is an enlarged partial illustration view taken from FIG. 2; and,
FIG. 10 is an enlarged partial illustration view taken from FIG. 2.
The dash-dot-dot-dash lines in the figures represent the bounds of the detailed views.