A friend of mine tried to register a letter in a mid-sized California town and was told that he must declare the value of the contents. Responses, such as this and the one to Rabbi-Sol, are the result of ignorance. When faced by one of these idiots, ask to see the manager.
I think Open Mike is correct; a transfer of $10000 (or similar, it is some time since I read the regulation and I have forgotten the amount) must be recorded. However, the bank may report any suspicious transaction.

A teenage daughter of a relative was in tears because the scissors from her saved-for manicure set could not board the airplane. Like Dianavan, she obviously had the markings of a terrorist. I fit the profile as well, I had to take off my boots- no chair and at age 82, it ain't easy to put them back.