Savings Bond Amounts A Friend Of Mine Found A Savings Bond In A Box Belonging To Her Father?

A friend of mine found a savings bond in a box belonging to her father? - savings bond amounts

is from 12/15/1840 and stated that his father was in a box for 25 years. His father died recently and she found the box and opened it was when he met bail. the amount of the bonds in 1840 was $ 1,000. Is there a place where you can see, if:

1. the premium is authentic?
2. the nominal value of bonds issued at that time?