LS in Russian, three sides of two adjoined pages, 8 x 10, May 15, 1851. Letter to 'My dear Prince,' mentioning his father and General Baron de Sacken and gives a recommendation for General Zinoweff's brother, who 'always distinguished himself with zeal in service...requests to join the Royal Prince of Wurttemberg Dragoon regiment.' In fine condition, with a couple small notations. RRAuction COA.