The House of Mammon by Fred M. White

Lugard relaxed his grip on Sebag's collar. Verily, this was a night of surprises. But the little Jew made no effort to escape. For one thing, he had nothing to gain by such a course. He had betrayed himself to Lugard, and the latter would be sure to seek an explanation later.

Sebag was no coward, either, especially where his own interests were concerned.