Members adhere to a strict code of ethics which is a benchmark for the trade. Members receive early warning notices of counterfeit coins and stolen property. The BNTA organise the biggest International coin and medal bourse in the UK called COINEX which is held in late September or early October in Mayfair, London annually and it hosts up to 100 British and foreign dealers for a two-day show, this event promotes a range of auction in London during the preceding week and sales can top £10 million during that week..
Members are bound by a strict code of ethics, which serves as a benchmark for the trade. Members receive early alerts about counterfeit coins and stolen property. The BNTA organizes the biggest international coin and medal fair in the UK called COINEX, held annually in late September or early October in Mayfair, London. This event features up to 100 British and foreign dealers over two days. It also promotes a range of auctions in London during the preceding week, with sales potentially reaching £10 million.