For your consideration, here is a Vintage Bottle Pouring Metal Spout Attachment, made of Aluminum.  It is not marked with a maker.  It has a little wear on it.  The bottle opening has a diameter of 1 1/4 inches.  It is 4 3/8 inches long.  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.  (398.58u-.4bx3)