There is a part of the rock on which Bamborough Castle stands only revealed to the lucky, where money is found, having been placed there by the fairies. Those who participate in their bounty may have it every time they visit the spot, but unless a silver coin is placed among it to secure it, it would slip away, as if it had never been. A certain lad got ever so much money there, but he had always to add to it a piece of genuine British coin, ‘to keep it whole,’ as the phrase went. An old man upwards of seventy told me, and he had had the account from his grandmother. (Denham 146)