This is a mother-of-pearl ruler made with paua shell that shines in deep sea blues and greens. The iridescent shine that changes with the angle is beautiful, and you can enjoy a different pattern on each one. The surface is carefully coated with multiple layers of lacquer, achieving a deep luster and high durability. The elegant sheen unique to lacquer becomes more prominent with use. The contrast with the silver body is beautiful, and it is a practical item that also exudes the presence of a work of art. This ruler will make your study or work time a special moment. Price negotiation not possible.