article_snippet.sent: A piece of wood carrying the initials CB, and the date 1792 as well as 20 German and French coins amounting to a month’s wages and an iron spoon proved crucial.
article_snippet.sent: Then in February an important clue was brought to light when a piece of wood originally believed to be inscribed with the initials CB actually showed FCB.
highlights_snippet.sent: A piece of wood, a spoon and a month's wages turned out to be vital clues .