1.   At the bottom, five sealed envelopes with smaller quantities of cocaine inside come to light.

2.   Jenkins handed Talbot a sealed envelope.

3.   The contract was delivered by special messenger in a sealed envelope.

4.   They divined the contents of sealed envelopes by the simple expedient of opening the staples at the other end of the envelope.

5.   A courier was despatched with two sealed envelopes.

6.   Disclosure of the contents of the sealed envelopes carried the risk of a five-year prison sentence.

7.   For every patient enrolled in the study, a sealed envelope was opened before performing an endoscopic injection to decide the injected solution.

8.   Randomisation was done with a table of random numbers, the allocation codes were introduced in two series of sealed envelopes according to stratification class.

9.   The following morning, in her pigeonhole at the theatre, had been a sealed envelope.

10.   At the end of the interview, people are asked to fill out a self-completion form in private and put it in a sealed envelope.