ALS in Italian, signed 'your affectionate brother, G. M.,' one page both sides, 7.5 x 10, December 27, 1821. Letter to his brother, written just two years after his ordination as a priest and just shortly after his assignment to the papal diplomatic corps in Rome. Letter deals with financial matters, promotions he was attempting to influence and also mentions his mother. In fine condition, with mild show through from text on reverse, expected folds and integral second page addressed in another hand. RRAuction COA.