These American Eagle Silver Proof dollar coins have been produced each year by the United States government mint since 1986.  Considered by many to be one of the most beautiful American coin designs, it is modeled after the old Walking Liberty half dollars.  Each official US proof issued dollar coin contains 1 ounce of pure silver.  These Eagles have been professional graded by NGC ;( a leading company in 3rd party grading service) to be in Proof 70 Condition.