Publication: The Mystery League, Inc, 1930, New York
First U.S. edition. Fine in dust jacket lightly rubbed at corners, and lightly foxed along top edges. Cover art by Gene. On a foggy night in London, an expert cracksman steals the Hardway diamonds; yet when he is discovered by the police, the diamonds aren't with him. One of the diamonds is found on a corpse in the marshes. Where are the rest? And who is this criminal mastermind, "Funny Toff"? Sharp copy.
Inventory Number: 29146