Grisi, Giulia - Autograph Letter Signed

Italian soprano (1811-1869), creator of the role of Adalgisa in Norma, autograph letter signed by her, written in London. Three pages, plus a 4th with addressee, Mr Vatel, from the Theatre Italienne in Paris, stamps indicating this is from June 1842. In Italian, a translation into English is provided, Grisi is asking for permission to sing in concerts in collaboration with Giovanni Mario and Rubini, to make up their losses in that season. 

Each page is 7.25 x 9 inches, folds, small loss of paper on page 3 and 4, otherwise in very good condition. See scans.