The three objects

I have a reservation on the name King. Of course, the cashier said and searched through the register. I see that one of my colleagues made a mistake and wrote 2021 instead of 1963. Today is the 21st of November 1963, obviously. Here is the key. Room 8. Oh, you must be a musician, she added since she noticed the instrument case on the lobby desk. In the room, he put on the bed some sort of watch with many buttons along with the case from which he took out a M107 gun. By tomorrow, everyone will think that Lee Harvey changed the time lapse, he mumbled to himself in malice.
 
(Translated by Liliana Popescu / University of Bucharest, Faculty of Foreign Languages and Literatures, MTTLC, year I / Corrected by Silvia Petrescu, coordinator of the translations)