Coinex Posted on 9th September 201922nd January 2020 by Simon Shipp Location Biltmore Hotel44 Grosvenor SquareMayfairW1K 2HPLondon Next Event No upcoming events Loading Map.... CoinexBiltmore Hotel - 44 Grosvenor SquareEvents 51.510829 -0.151067 Upcoming Events <li>No events in this location</li>