For your consideration, here is a Vintage Fresh Up With Seven-Up Metal Advertising Bottle Opener.  It has some wear on it.  It measures 3 3/8 inches long and 1 3/8 inches wide.  It be mailed in a box for protection.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (568.57n-.5bx1)

 

[Thanks for looking!]