Before 1928, the colour of the Treasury Seal varied from issue to issue.
After that date, the colour of the seal meant something special;
These bills are issued by the US central bank and are the only bills currently in circulation
Silver certificates were issued by the Treasury and backed dollar-for-dollar with silver on deposit.
Like silver certificates they were issued by the Treasury and backed with an equivalent amount of gold.
US Notes were issued directly by the federal government but functioned equivalently to Federal Reserve Notes.
Please check the date again. There were no 1968 US bills and the last red-seal $5 bills were dated 1963.
Please check your bill again and post a new, separate question. There were no red-seal $50 bills dated 1922. The last red-seal $50 bills carried a 1914 date, while 1929 bills had brown seals.
Please check again. The last red-seal $5 bills were dated 1963 and no US bills of any denomination are dated 1964.If the date on your bill is 1963 please see the Related Question "What is the value of a 1963 US 5 dollar bill with a red seal? "
Please check your bill again. There were no US bills of any denomination dated 1952. The nearest matching date for red-seal $2 bills would be 1953.
Please check your bill again. 1923 and 1928 are the only dates in the 1920s for red-seal $1 bills.
Please check your bill again. All 1950-series $20 bills were printed as Federal Reserve Notes with the familiar green seal color. The last red-seal $20 bills were dated 1914.
The reason a red seal $5 bill doesn't have a Federal Reserve letter on it is because the red seal version is NOT a Federal Reserve note. Red seal bills are United States notes.
Please check your bill again. Red seal $5 bills were issued in 1953 and 1963. No US bills were dated 1962. There's more information at the questions"What is the value of a 1953 US 5 dollar bill with a red seal?""What is the value of a 1963 US 5 dollar bill with a red seal?"Red InkRed ink indicates that a bill is a United States Note, a now-obsolete form of paper money that was similar to current Federal Reserve Notes.
Please check your bill again and post a new, separate question. The last red-seal $100 bills were dated 1966. All 1969 $100 bills were issued as green-seal Federal Reserve Notes.
Please check your bill again and post a new, separate question. The last red-seal $5 bills were dated 1963.
The US didn't print any $2 bills dated 1974, and the last red-seal $2 bills were dated 1963. Please check again and post a new, separate question.
The U.S. didn't print any $2 bills dated 1968, and the last red-seal U.S. Notes were $100 bills dated 1966. Please check again and post a new question.