These are great quality pins that are unique and will make excellent gifts. Proudly display your American heritage. The Great Seal of the United States is used to authenticate certain documents issued by the Federal government of the United States. The phrase is used both for the physical seal itself, which is kept by the United States Secretary of State, and more generally for the design impressed upon it. The Great Seal was first used publicly in 1782. The obverse of the Great Seal is used as the national coat of arms of the United States. It is officially used on documents such as United States passports, military insignia, embassy placards, and various flags. Since 1935, both sides of the Great Seal have appeared on the reverse of the one-dollar bill. The Seal of the President of the United States is directly based on the Great Seal, and it's elements are used in numerous government agency and state seals. (source: Wikipedia) Additional Details ------------------------------ Product description: These are great quality pins that are unique and will make excellent gifts. Proudly display your American heritage. The Great Seal of the United States is used to authenticate certain documents issued by the Federal government of the United States. The phrase is used both for the physical seal itself, which is kept by the United States Secretary of State, and more generally for the design impressed upon it. The Great Seal was first used publicly in 1782. The obverse of the Great Seal is used as the national coat of arms of the United States. It is officially used on documents such as United States passports, military insignia, embassy placards, and various flags. Since 1935, both sides of the Great Seal have appeared on the reverse of the one-dollar bill. The Seal of the President of the United States is directly based on the Great Seal, and it's elements are used in numerous government agency and state seals. (source: Wikipedia)