RUSSIA. Nicholas ORLOFF (1827-1885) Russian military and diplomat. L.A.S. and L.S., 1873-1874; 1 page in-8 with his crowned cipher, 1 p. in-4 on the letterhead of the Imperial Russian Embassy. February 11, 1873, to a young lady, sending his "humble offering. [...] my trip to Nice is delayed indefinitely because of the illness of the G. Duchess"... May 19, 1874, to M. de Dompierre d'Hormoy, recommending Captain Baron de Fredericksz, who wishes to visit the foundries of Nevers. Attached is a l.a.s. from Léon de Montluc, private secretary to Jules Favre, February 12, 1871, in English