FIG. 1 is a perspective view of a belt buckle.
FIG. 2 is another perspective view thereof.
FIG. 3 is a front view thereof.
FIG. 4 is a rear view thereof.
FIG. 5 is a sectional view thereof.
FIG. 6 is a left side view thereof.
FIG. 7 is a right side view thereof.
FIG. 8 is a top view thereof.
FIG. 9 is a bottom view thereof; and,
FIG. 10 is a perspective view thereof with a belt shown as environmental structure.
The broken lines in the drawings illustrate portions of the belt buckle which form no part of the claimed design or environmental structure that forms no part of the claimed design.