Us Savings Bond Types

Question: my son wants to redeem the us savings bond i got for him in 1988.where can he redeem it? he is in sacramento.?
it’s a $100 EE type.also, if you know, how much is it worth?
Answer: You can find out everything you need to know at www.treasurydirect.gov. It’s probably worth about $140, and you can redeem it at most major banks.
US Airforce Training Video-Nuclear Weapons Broken Arrows 1/2