what did the thieves steal from the necks of noble lords? i) Contraband goods ii) mail iii) Diamond crosses

3) diamond crosses

"..... thieves snipped off diamond crosses from the necks of noble lords at Court drawing-rooms; musketeers went into St. Giles's, to search for contraband goods, and the mob fired on the musketeers, and the musketeers fired on the mob, and nobody thought any of these occurrences much out of the common way."