answer: #Person2# suggests #Person1# go to the Philately Store to find old paper money and coins used before and after 1949.
documents: #Person1#: I'd like to have a couple of complete sets of paper money and coins.
  #Person2#: Yeah. You can take them home and either use them as a gift or keep them as mementoes.
  #Person1#: Ah, where can I find old paper money and coins used before and after 1949?
  #Person2#: I'd suggest that you go to the Philately Store in Nanjing Road East, where the items are authentic and the prices are reasonable.
  #Person1#: Good. Sorry to have troubled you so much, Miss.
  #Person2#: You're always welcome. Anything else can I do for you, sir?
  #Person1#: No, thanks. I did not notice it has been dark outside. I think it is time to dinner.
  #Person2#: I guess it is. The restaurant is on the second floor. Please enjoy your dinner, sir!