The story of discovery by chance continued in 1875 when a young boy, Griffith Hughes, fell from a tree on the slopes of Dolwyddelan Castle in Snowdonia, down on to a heap of small stones. He later said: ‘Before I moved, with my hands all bruised, here was the seal before my eyes in the stones’.8 The seal was no ordinary seal; it was a papal bulla of Honorius III, who reigned 1216–1227, and this was a Welsh castle built by Prince Llywelyn the Great at this very time. Honorius III addressed two letters to Prince Llywelyn: one in 1217 urging him not to enter in to league with France against the newly crowned Henry III of England; and one in 1222, assuring the prince that his son, David, born by his wife Princess Joan succeed him; Joan also received a letter in 1226 declaring her legitimacy:9 This seal must have survived from one of those papal missives (Figs 14.3 and 14.4).