Lettre autographe signée, Londres, datée 6 juillet 1857, 1 page à en-tête Cirque National de France. Encre noire sur papier. "Sir, Mr Bastien Franconi not having yet received this letter which you promise to write to him concerning the use of the Riding school for the construction of a circus, i take the liberty to beg you will do 10 at your earliest convinience, as we have many preparations to make which take up a long time. By according to my request you will greatly oblige" (non illustré) 25,4 x 20,2 cm AUTOGRAPH LETTER FROM THE CIRQUE NATIONAL DE FRANCE; DATED "6 JUILLET 1857" 10 x 7,95 in.