https://www.greatamericancoincompany.com/a/info/blog/part-9-die-flaws A part of the article mentions a Cud on a Bicentennial Half Dollar. I have to check the Cuds on Coins website to check the different kinds listed.. Quote "A notable exception is the 1976 Bicentennial Half Dollar. Die breaks are readily available at $4-8, but the much rarer cud coins can bring as much as $350 in top condition." Closed quote Here is an example of a Cud from my collection -