FIG. 1 is a top front perspective view of a buckle according to my new design;
FIG. 2 is a front elevation view of the buckle shown in FIG. 1;
FIG. 3 is a rear elevation view of the buckle shown in FIG. 1;
FIG. 4 is a right side view of the buckle shown in FIG. 1;
FIG. 5 is a left side view of the buckle shown in FIG. 1;
FIG. 6 is a top plan view of the buckle shown in FIG. 1; and,
FIG. 7 is a bottom plan view of the buckle shown in FIG. 1.
The ornamental design which is claimed is shown in solid lines in the drawings.