Writing instrument
FIG. 1 is a side elevational view of a writing instrument showing my new design; 
     FIG. 2 is a top plan view; 
     FIG. 3 is a left end elevational view; 
     FIG. 4 is a right end elevational view; 
     FIG. 5 is a side elevational view with the writing tip extended; 
     FIG. 6 is a top plan view thereof; 
     FIG. 7 is a left end elevational view thereof; and 
     FIG. 8 is a right end elevational view.