42 - Golden Web by E. Phillips Oppenheim

Venture into the intriguing world of Stirling Deane, who has struck it rich after selling the Little Anna Gold Mine he discovered in South Africa. Now at the helm of the company he sold the mine to, Deanes past catches up with him when an old acquaintance from his South African days emerges, claiming to possess the original deed to the mine. The plot thickens when the man is mysteriously murdered and the alleged deed goes missing. As a negotiator Deane hired to retrieve the deed is accused and sentenced to death, the question remains where is the lost deed?