For your consideration, here is a Vintage Pittsburgh Paints Smooth As Glass Advertising Can  Bottle Opener, from the Pittsburgh Plate Glass Company.  It has a little wear on it.  It is 4 5/8 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.  (358.58n-.4bx3)