Vintage belt buckle from the Great American Buckle Company.  It is a limited edition from 1976 and features 2 deer - a buck and a doe in the woods.  There is tinting that is a kind of enamel.  The buckle is 3 1/4" x 2 1/4" and it will accommodate a belt that is 1 5/8" wide.  It is in very good condition.   
Please ask if you have any questions.