Claims (1)
Claim 1 (Independent)
The ornamental design for a pen, as shown and described.
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FIG. 1 is a perspective view of the invention.
FIG. 2 is a front elevation view of FIG. 1 .
FIG. 3 is a left elevation view of FIG. 1 .
FIG. 4 is a right elevation view of FIG. 1 .
FIG. 5 is a rear elevation view of FIG. 1 .
FIG. 6 is a top plan view of FIG. 1 ; and,
FIG. 7 is a bottom plan view of FIG. 1 .