The Ambassador nodded and listened expectantly.
“He confirms fully,” Felix continued, “the value of the documents which are in question. How he obtained access to them he does not say, but his report is absolute. He considers that they justify fully the man Sabin’s version of them.”
The Prince smiled.
“My own judgment is verified,” he said. “I believed in the man from the first. It is good. By the bye, have you seen anything of Mr. Sabin to-day?”
“I have come straight,” Felix said, “from watching his house.”
“Yes?”
“The Baron von Knigenstein has been there alone, incognito, for more than an hour. I watched him go in—and watched him out.”
The Prince’s genial smile vanished. His face grew suddenly as dark as thunder. The Muscovite crept out unawares. There was a fierce light in his eyes, and his face was like the face of a wolf; yet his voice when he spoke was low.
“So ho!” he said softly. “Mr. Sabin is doing a little flirting, is he? Ah!”
“I believe,” the young man answered slowly, “that he has advanced still further than that. The Baron was there for an hour. He came out walking like a young man. He was in a state of great excitement.”