FIG. 1 is a top perspective view of a buckle fastener showing my new design;

FIG. 2 is a top view of the buckle fastener;

FIG. 3 is a left side view of the buckle fastener, the right side view being a mirror image thereof;

FIG. 4 is a front view of the buckle fastener;

FIG. 5 is a rear side view of the buckle fastener;

FIG. 6 is a bottom view of the buckle fastener;

FIG. 7 is a top view of the pieces comprising the buckle fastener being separated;

FIG. 8 is a bottom view of the pieces comprising the buckle fastener being separated; and,

FIG. 9 is a left side view of the pieces comprising the buckle fastener being separated, the right side view being a mirror image thereof.