The phrase "advertisement signed" is correct and usable in written English.
It can be used when referring to an advertisement that has been officially endorsed or approved by a person or organization.
Example: "The advertisement signed by the celebrity generated a lot of buzz and increased sales significantly."
Alternatives: "endorsed advertisement" or "approved advertisement".
Advertisement signed: Tho.
In similar vein an advertisement signed by Jewish Americans appeared in the New York Times calling for US disinvestment from Israel until peace negotiations were opened.
In 1960, L. B. Sullivan, the police commissioner of Montgomery, Alabama, had sued the Times for publishing an advertisement signed by writers, actors, labor leaders, and black Southern preachers.
The F.B.I. file also shows that on May 10 , 1961 Wilson's name appeared in a Times advertisement, signed by seventy people, that took the form of an open letter to President Kennedy.
The new advertisement, signed by more than 1,000 Catholics, including five priests and 40 nuns, says some of the 97 signers of the first advertisement have been threatened with dismissal from religious orders and have lost teaching positions and speaking engagements at Catholic institutions.
The primary precipitant -- in the sense that the content offended those writing the blogs or sending the emails -- was the advertisement signed by 88 of Duke's faculty and printed in the Duke Chronicle.
For months, he and hundreds of other prominent scholars and literary figures, including Toni Morrison, Arthur M. Schlesinger Jr., Ronald Dworkin, William Styron, Arthur Miller and Jane Smiley, have been writing articles, taking out advertisements, signing petitions and testifying before Congress on the folly of the investigation of President Clinton.
Perhaps neither American player was as embarrassed as this ball boy, who tripped over an advertisement sign during the Murray-Ernests Gulbis match.
Huge advertisement signs and power masts fell down, roofs were blown away, windows smashed and entire houses and cottages were damaged by trees.
As soon as the Sun sets, incandescent or fluorescent lights are turned on to provide artificial illumination, and cities glow brightly with the colourful fluorescent and neon lamps of advertisement signs.
Several critical issues were identified and improvement suggestions were recommended, including less attention being paid to the roadside Clear Recovery Zone (CRZ), weak barrier structures, un-protected roadside obstacles (i.e. barrier ends, advertisement signs, drainage ditches, etc)., and poor connections or transitions of rails.
