Always in fashion since the 1920s, tie clips are used to secure the tie to the dress shirt. Rest assured your tie will not be blowing in the wind our a coin tie clip. The 2005 bison nickels were minted for one year only as part of the Westward Journey series of nickels commemorating Lewis & Clark's expedition. The silver tone 2 1/8 inch long tie clip featuring a genuine United States coin maintains a sleek yet elegant focus to any attire. The coin silver tone clip has a high polished finish. A Certificate of Authenticity is included.