Buckle

FIG. 1 is a bottom and left side perspective view of a buckle, showing my new design;

FIG. 2 is a top and right side perspective view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a rear view thereof; and,

FIG. 8 is a front view thereof.

The broken lines in the drawings represent portions of the buckle and form no part of the claimed design. The other broken lines in FIGS. 1 , 3 , 7 , and 8 represent surface indicia and form no part of the claimed design.