Yin/Yang tie tack within a gold plated border. Constructed with genuine mother of pearl and onyx. Diameter is three eights of an inch. Can be used as a pin or tie tack. Made in the USA. Click image for a closer view. Availability: Usually ships the next business day. TT328$27.95 The fixed ground shipping charge of $5.95 stays the same no matter how many items you order.