Molson Puzzle

This is an advertising puzzle made for Molson beer.  It is made of nice thick plastic and has the same image printed on both sides of the pieces.  In nice shape.  $14

Siemens Puzzle

This is a German advertising puzzle for Siemens produced in orange plastic.  The object is to arrange the 6 pieces into 3 (possibly interlinked) rings.   It's probably not very old, but it's rather clever as the pieces fit together in a rather misleading way at first.