Viner took hold of the cabinet--an affair of some eighteen inches in
height and twelve in depth--and came to the conclusion that it was
heavily weighted with lead. He lifted it down to the desk, giving it a
slight shake.

"I took it for a cigar cabinet," he remarked. "How does it open? Have you
a key that will fit it?"

But upon examination there was no keyhole, and nothing to show how the
door was opened.

"I see what this is," said Viner, after looking closely over the cabinet,
back, front and sides. "It opens by a trick--a secret. Probably you press
something somewhere and the door flies open. But--where?"

"Try," counselled Mr. Pawle. "There's something inside--I heard it when
you shook the thing."

It took Viner ten minutes to find out the secret. He would not have found
it at all but for accident. But pressing here and pulling there, he
suddenly touched what appeared to be no more than a cleverly inserted
rivet in the ebony surface; there was a sharp click, and the panelled
front flew open.

"There is something!" exclaimed Mr. Pawle. "Papers!"

He drew out a bundle of papers, folded in a strong sheet of
cartridge-paper and sealed back and front. The enveloping cover
was old and faded; the ribbon which had been tied round the