Violet was probably a native of London and was admitted to the Goldsmiths’ Company some time before 1634, the year in which he first comes to public notice. In that year he was arrested and charged with attempting to export gold bullion from England to Holland. He spent five months in prison before offering to provide information about other goldsmiths engaged in similar illegal practices, and was then released and pardoned upon paying a fine of £2,000. Violet lived up to his part of the bargain and several months later a number of leading goldsmiths were arrested and arraigned before the Star Chamber on charges of bullion smuggling. Violet himself was fined in 1634 by the Goldsmiths’ Company for failing to attend a warden's dinner; in the circumstances, it would hardly have been politic for him to attend.
From The Biographical Dictionary of British Economists in Oxford Reference.