Mary Archer evidence at the High Court in a libel case brought by her husband against the "Daily Star" newspaper, which claimed Jeffrey had slept with a prostitute called Monica Coghlan. During his summing up at the end of the trial, the judge, Mr Justice Caulfield, asked: "Has she elegance? Has she fragrance? Would she have, without the strain of this trial, radiance?" In 2001, when Jeffrey Archer was accused of having committed perjury in the 1987 trial, she appeared at the Old Bailey to defend him. Jeffrey Archer was subsequently convicted and imprisoned for perjury and perverting the course of justice.
Jeffrey Archer responded by suing the "Daily Star". The case came to court in July 1987. Explaining the payment to Coghlan as the action of a philanthropist rather than that of a guilty man, Archer won the case and was awarded £500,000 damages. Archer stated he would donate the money to charity. However, this case would ultimately result in Archer's final exit from front-line politics some years later. The description the judge (Mr Justice Caulfield) gave of Mrs Archer in his jury instructions included: "Remember Mary Archer in the witness-box. Your vision of her probably will never disappear. Has she elegance? Has