Writing instrument

FIG. 1 is a perspective view showing our new design for a writing instrument;

FIG. 2 is a right side view of the writing instrument of FIG. 1 ;

FIG. 3 is a front view of the writing instrument of FIG. 1 ;

FIG. 4 is a rear view of the writing instrument of FIG. 1 ;

FIG. 5 is a left side view of the writing instrument of FIG. 1 ;

FIG. 6 is a bottom plan view of the writing instrument of FIG. 1 ; and,

FIG. 7 is a top plan view of the writing instrument of FIG. 1 .

The broken lines showing portions of the writing instrument are included for the purpose of illustrating environment and form no part of the claimed design.