Vault 3 overseer password

The Vault 3 overseer password is a note $$

Location
Given by Rick Lancer, who is being held captive in Vault 3's prisoner cell. He can be intimidated into giving it while still in captivity, or once the prisoners are freed, he will hand it over for free. It opens the Vault 3 overseer room.

Related quest

 * I Love Bananas