Thank your granny if you ever received a $2 bill and kept it
To find the value of your $2 bill, look at the year and seal color
Bills with red, brown and blue seals from 1862 through 1917 can be worth up to $1,000 or more on the U.S. Currency Auctions website
You can find the value of your $2 bill by visiting their U.S. currency price guide online at uscurrencyauctions.com