Copy of draft letter, from Sir John Herschel to Urbain J. J. Leverrier, dated at Collingwood Copy of draft letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Will put the matter of Urbain J. J. Leverrier's medal into the hands of Edward Sabine, the Foreign Secretary, who will hand it to the Ambassador for delivery to France. 25 November 1846