Autograph Letter Signed "M W Balfe" to a Mrs Macdonald

Four pages, 12mo, bifolium, fold mark, good condition. He would have answered sooner but for illness ("a bad attack of influenza or bronchitis, call it what you will"). He assures her of his attachment to her and hers. "I should like to see your chick [child?] - Is there any chance of your coming to LOndon again? Has Fanny any children? Do not show her this or she would be shocked to be called Fanny[.] I don not know her blessed married name. Remember me affectionately to [...] PS I send you some of the pieces of the Rose of Castille." This was first performed in 1857.