It appeared to be a copy of a Department of Defense document labeled confidential and dated August 1967; it referred to an operation "Cynthia" in Bolivia.
Now some ducks were sitting together quietly by a brook and taking their rest, and, whilst they were making their feathers smooth with their bills, they were having a confidential conversation together.
He has an interesting collection, consisting of several important official documents from the wastepaper baskets of busy and absent-minded officials, a few confidential letters from one lady friend to another - reports of scandal which were not to go further, not to be mentioned by a soul.