This is a vintage brass-plated belt/strap buckle, marked “SO BRASS” which indicates a brass plating over a steel alloy core. It features a square frame, a single prong, and the original Taiwan manufacturer stamp. Great for belts, bags, leathercraft, and hardware replacement. Details: Vintage brass-plated metal buckle Marked “SO BRASS” (brass plating) Made in Taiwan Square single-prong design Pre-owned with normal wear (see photos) Perfect for belts, straps, bags, and DIY leathercraft