[ He looks with interest at the coin. It is of a similar style to the coins in his world, clearly made by experienced craft-workers and quite beautiful. ]

Very strange. You fall into the Greater Sleep and bring back the coins as talismans of the memories you find there? I suppose that must mean any kind of memory, the good and the bad. If you die, then you simply wake in Deerington and it is as though the harm never happened? I have experienced something similar in the world I visited for a few years before I came here. But are you saying that someone dreamed of memories that could only belong to that child you were speaking of, and so you know she is in some way real? I'd accept that as evidence!"