Pen

Description

1. Pen

1.1 : Perspective

1.2 : Right

1.3 : Left

1.4 : Front

1.5 : Back

1.6 : Bottom

1.7 : Top

The broken lines showing various regions and features, including the unshaded areas therein, are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a pen, as shown and described.