[Sir Charles Hallé, conductor and pianist.] Two Autograph Notes in the third person to Lady Blanche Drummond

Sir Charles Hallé [formerly Carl Halle] (1819-1895), conductor and pianist
Publication details: 
Both on letterheads of 11 Mansfield Street, W [London]. 12 and 14 July [no year].
SKU: 14745

Both items 1p., 16mo, and both in good codition, on lightly-aged paper. The first note reads: 'Mr. Charles Hallé presents his respectful compliments to Lady Blanche Drummond and would feel greatly obliged if she would kindly take his lesson to-morrow at 4 o'clock instead of half past three.' The second confirms the time for a second lesson.