Add a touch of vintage charm to your doors with these three round white porcelain doorknobs. These handles were made in Japan and are perfect for anyone looking for a unique addition to their home décor. Measuring 1 3/4 inches wide, these vintage original knobs are made of both porcelain and ceramic materials, ensuring durability and quality. The decade of their creation is unknown, but their timeless design makes them a great fit for any home. Use them to add a touch of elegance to your antique or modern doors.