For your consideration, here is a Vintage Swanky Swig Glass Kraft Mustard Jar Lid Only.  It has some wear, scratches and dents on it.  It has a diameter of 2 1/4 inches.  It will be mailed in a box for protection.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (563.36n-.5bx1)