Vintage 1981 Commemorative Brass Belt Buckle Mervyn's Pony Express Rider. This vintage brass belt buckle features a Pony Express Rider carrying mail on horseback. Buckle is in good used condition with minor wear from age and use. Detail on the buckle is still very good. Great vintage buckle from 1981. Oval shape. Measures about 3.5" W by 2.5" H, fits 1.5" belt.