1974 Simon Bolivar, Panama issued large silver 20 Balboa coins between 1971 to 1985. At the time, the 20 Balboas were one of the largest silver coins produced. Issued in both proof and uncirculated finishes The coin was struck and packaged by The Franklin Mint under Authorization of the Government of Panama. It comes encapsulated inside original white outer box. The Certificate of Authenticity (COA) is also included. This beautiful 1974 Panama .925 Proof Silver 20 Balboa is the perfect gift for any silver investor who has an interest in South American history. This large-sized 3.854 oz. coin commemorates 150 years of Panamanian independence from Spanish rule as well as commemorating the man who won them their independence, Venezuelan revolutionary Simon Bolivar.