Series in which Max Flint investigates the 15 billion pounds in unclaimed assets in the UK and asks if and how these funds are distributed to their rightful owners. Ever wondered what happened to those premium bonds you were given as a baby? It could be one of the 31 million pounds worth of unclaimed premium bond prizes. Max discovers how the NS&I tracing team tackle the problem of locating lost winners. At least they have an old address to start with. By contrast, Camelot don't even have a name to help locate lost lottery prize-winners. A Tinderbox Broadcast production for BBC Radio 4.