This is a habeas corpus proceeding in which petitioner, Williams, seeks release from Leavenworth penitentiary where he is serving a 14-year sentence imposed on December 20, 1957, by the United States District Court for the District of Idaho upon his plea of guilty to each of seven counts of an indictment charging the interstate transportation of forged and falsely made securities in violation of 18 U.S.C. § 2314.