A postman.

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1552.  Huloet, Dict. Letter carier, ambulans, libellio, tabellarius. (N.E.D.)

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1697.  A warrant is come from his majestie, appointing Mr. Van-hulse, the Dutch secretary, to be court letter carrier.—Luttrell, ‘Brief Relation’ (1857), iv. 304. (N.E.D.)

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1799.  Would you think it strange that an ambassador might not employ a horse-thief, and not even in his proper vocation either, but only as a letter-carrier?The Aurora, Phila., Aug. 17.

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