Italian priest (1815–1888), who, in recognition of his work on behalf of disadvantaged youth, was canonized in 1934. Rare ALS in Italian, signed “Sac. G. Bosco,” one page both sides, 5.25 x 8.25, December 6, 1870. A substantial letter to his great benefactor countess Carlota Callori di Vignale announcing commemorative masses, the preparation for Christmas, and work being done in his institutions thanks to the countess’s financial help. In fine condition. RR Auction COA.