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An embassy of the Nawab of Oudh (Awadh), led by his minister Haider Beg Khan, passing Patna on its way to Lord Cornwallis, the new Governor-General of India, in Calcutta in 1786. Mezzotint by R. Earlom, 1800, after J. Zoffany, 1796. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.