official seal(если в тексте употребляется вместе с "common seal": A company may also have an official seal for use abroad, if authorised by its constitution. This seal resembles the common seal of the company, with the addition of the name of the place outside the state where it is to be used. Unlike the common seal, the official seal for use abroad may be used by a single person (agent), who has been authorised by the company in writing under its common seal. 4uzhoj)
