It was a type of United States Note, money issued by the U.S. Treasury from 1862 to 1971. With the odd exception of the $10,000 bill, every United States Note issued during that time had a red Treasury seal on it, and the $2 bill was no exception. All of the money printed since 1972 has been in the form of Federal Reserve Notes. read more
1963 and 1963A red print two dollar bills are very common. Despite the difference between the A and non-A, both notes are equally common and worth the same amount of money in all grades. You can buy a circulated 1963 red seal two dollar bill any day of the week for around $3. read more