For your consideration, here is an Old Rolling Circular Green Kitchen Stone Knife Sharpener.  It is not marked with a maker.  It is worn and has a little tarnish on it.  The wheels have a diameter of 1 5/8 inches.  It will be mailed in a box for protection.  Item pictured is the actual item for up for sale and comes from a non-smoking household.  (677.1c1b-.7kx1)