2 chips inside edge by screw hole. This vintage antique glass knob is a true treasure for hardware collectors and enthusiasts. Measuring at 2 inches in diameter, this knob is perfect for use on drawers or doors. The clear glass material adds a unique touch to any piece of furniture or architectural design. Its antique original quality and unknown decade of origin make it a rare find. This knob would be a great addition to any antique or vintage collection.