“And what happened then?”

“Excellenz, she read them. She is devoted to the English cause. I could do nothing. She learned that I was acting for Germany and, rather than let them fall into my hands, she burned them. It makes no difference to you or to the Vaterland, since I have brought the message here, except that my own utility in England is gone.”

“I should be sorry to be obliged to believe you.”

“I am afraid, Excellenz, that there is nothing left for you to do.”

General von Stromberg was again busy examining the cigarette papers. Suddenly he raised his head, his gaze boring into Hammersley’s face.

“You say this is a copy of the original message?”

“Yes, Excellenz.”

“And where did you make it?”

“In the library upstairs at Lady Heathcote’s in Park Lane.”

“When?”