Writing instrument
FIG. 1 is a perspective view of a writing instrument, showing our new design; 
     FIG. 2 is a bottom plan view thereof; 
     FIG. 3 is a top plan view thereof; 
     FIG. 4 is a front view thereof; 
     FIG. 5 is a rear view thereof; 
     FIG. 6 is a perspective view of a second embodiment of our design of FIG. 1; 
     FIG. 7 is a bottom plan view thereof; 
     FIG. 8 is a top plan view thereof; 
     FIG. 9 is a front view thereof; and, 
     FIG. 10 is a rear view thereof.