My guess is that it was exposed to some chemical that affected the blue component of the green ink used in that series.
As a child I left a $1 bill in my pants pocket. It went through the wash (money laundering??) and turned bright blue.
The seal color should be red rather than yellow, although it's possible your bill's color has changed due to age. Please see the question "What is the value of a 1963 US 2 dollar bill?" for more information.
Please post a new, separate question with the bill's denomination.More information may be available at the following questions:"What is the value of a 1963 US 1 dollar bill?""What is the value of a 1963 US 5 dollar bill with a green seal?""What is the value of a 1963 US 10 dollar bill?""What is the value of a 1963 US 20 dollar bill?"
One dollar.
what is the value of a five dollar bill silver certificate
50$
The seal color should be red rather than yellow, although it's possible your bill's color has changed due to age. Please see the question "What is the value of a 1963 US 2 dollar bill?" for more information.
Please post a new, separate question with the bill's denomination.More information may be available at the following questions:"What is the value of a 1963 US 1 dollar bill?""What is the value of a 1963 US 5 dollar bill with a green seal?""What is the value of a 1963 US 10 dollar bill?""What is the value of a 1963 US 20 dollar bill?"
One dollar.
Value of 1963 one dollar star note
what is the value of a five dollar bill silver certificate
50$
The U.S. did not print any $2 bills with that date. The nearest dates are 1963 and 1976; both are worth face value only assuming they've been in circulation.
It is a counterfeit.
The value of a 1963 red seal two dollar bill is $1.00 to $1.25 more than face value if circulated. It is worth about $10.00 if uncirculated.
The US printed both $2 and $5 bills with red seals in the 1963 series. Please see the questions "What is the value of a 1963 US 2 dollar bill?" and "What is the value of a 1963 US 5 dollar bill?" for more information.
The value is just for the silver, about a dollar
No 1963 Kennedy half dollars exist. 1963 is the last year of the Franklin half dollar. 1964 is the first year for Kennedy.