These were sourced from an old hardware store. They were stocked in the 1980?s and were never sold. I?ve never seen anything like these. It was hard for me to say what they are. One piece has a rough edge where the glaze ended. See photos. (The knob is for demonstration purposes only) Add a touch of vintage charm to your cabinets, drawers, and furniture with these beautiful drawer pull accents. Made in Japan from high-quality porcelain, these six white colored knobs are perfect for adding a touch of elegance to your home decor. Measuring 1.6? inches in diameter and flat. They are suitable for cabinets, drawers, and decoration. The knobs are designed with a white color and a plain vintage/retro style that will complement any home decor. These drawer pull a Collars are a must-have for anyone looking to add a touch of vintage style to their home.