Silver square cufflinks with a red stone in the center, a classic style. Brand unknown. - Design: Square cufflinks with a black stone set in the center. - Material: Metal, silver color - Style: Classic style - Features: Something red in the center, simple yet elegant Thank you for viewing. It is unknown whether they have been used or not. They are a set of two as shown in the photos. If you use the bulk purchase function, we will give you a 300 yen discount on the second item onwards, including shipping costs, as a token of our appreciation.