These one-of-a-kind Yoda Fighting Irish lapel pins are a co-branded Disney/Lucasfilm Ltd./University of Notre Dame product. They were sold in the Notre Dame bookstore on campus as a promotion leading up to the release of the Star Wars: The Force Awakens in 2015.
Brand new in package and selling for their original price.
A very unique product for the Star Wars/Notre Dame fan in your life. 
Not many left.