Buckle

FIG. 1 is a front perspective view of a buckle showing the new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is a bottom perspective view thereof; and,

FIG. 10 is a rear perspective view thereof shown with the surrounding environmental structure.

The broken lines define the environmental structure and form no part of the claimed design.