The rest may be guessed.

Replacing the worthless bundle in the unlocked part, by the aid of her keys and instruments she opened the inner half.

There sure enough were letters hidden, and in a little drawer two miniatures framed in gold, one of a lady, young and pretty with dark eyes, and the other of two children, a boy and a girl of five or six years of age.

Also there was a curling lock of hair labelled in Montalvo's writing--"Juanita's hair, which she gave me as a keepsake." Here was treasure indeed whereof Black Meg did not fail to possess herself.

Thrusting the letters and other articles into the bosom of her dress to be examined at leisure, she was clever enough, before closing and re-locking the desk, to replace them with a dummy bundle, hastily made up from some papers that lay about.
When everything had been satisfactorily arranged she went outside and chattered for a while with the soldier on guard, only re-entering the room by one door as Montalvo appeared in it through the other.
"Well, my friend," he said, "have you the evidence ?" "I have some evidence, Excellency," she answered.