What follows is an opinion from a United States Court of Appeals. Your task is to identify whether the opinion writter is identified in the opinion or whether the opinion was per curiam.

Opinion:
Nathanael VAUGHN, aka E. Vaughn, v. UNITED STATES of America.
No. 5647.
United States Court of Appeals Tenth Circuit.
June 10, 1957.
James C. Perrill, Asst. U. S. Atty., Denver, Colo., for appellee.
Before BRATTON, Chief Judge, and HUXMAN and MURRAH, Circuit Judges.
PER CURIAM.
Docketed and dismissed on motion of appellee for failure of appellant diligently to prosecute the same.

Question: Is the opinion writer identified in the opinion, or was the opinion per curiam?

Choices:
Signed, with reasons
Per curiam, with reasons
Not ascertained

Answer: 1