Walnut Street Theatre. Philadelphia, September 20, 1869. Change of Time. First Night Of the Engagement of Mr. Edwin Booth, Who will appear, for the First Time in Two Years as Hamlet. Visitors at the Theatre are requested to remain seated till the close of the Play, as the noise occasioned by the impatient few, mars the pleasure of the more intellectual portion of the audience, that wish to witness the completion of the performance. Change of Time, Monday Evening, Sept'r 20, 1869, The Performance will commence at quarter of 8 o'clock, with Overture-"Hamlet," Kaliwoda, After which will be presented Shakspere's Tragedy, in Five Acts, of Hamlet, Hamlet, Prince of Denmark, Mr Edwin Booth ..