I really doubt whether there would be two German thimble makers making 'stone' topped thimbles - BO and RO? 1 http://img1.putfile.com/thumb/3/8013195622.jpg http://img1.putfile.com/thumb/3/8013195685.jpg 2 http://img1.putfile.com/thumb/3/8013195558.jpg http://img1.putfile.com/thumb/3/8013195657.jpg ...