The gold fringe indicates that it is a military flag.
President, Dwight David Eisenhower signed Executive Order No.10834 on August 21, 1959 and had printed in the Federal Register at 24 F.R. 6865, pursuant to the law, stated that: "A military flag is a flag that resembles the regular flag of the United States, except that it has a yellow fringe border on three sides."
The gold fringe indicates that it is a military flag.