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:
Isador D. CHAVEZ v. UNITED STATES of America.
No. 5556.
United States Court of Appeals Tenth Circuit.
March 9, 1957.
Isaac S.. Willson, Denver, Colo., for .appellant.
Donald E. Kelley, U. S. Atty., and Robert S. Wham, Asst. U. S. Atty., Denver, ■Colo., for appellee..
Before’BRATTON, Chief Judge, and MURRAH, Circuit Judge.
PER CURIAM.
Affirmed without written opinion.

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