How do five-star hotels in Chongqing handle foreign currency? What do they rely on to distinguish authenticity?

Foreign currency exchange of star-rated hotels in some areas; But it is generally only open to in-house guests;

The exchange memo is provided by the bank in triplicate; And the exchange rate table will be faxed by the bank every day (except weekends);

When the guest arrives at the reception desk, he asks for the room number, counts the foreign currency, identifies the authenticity, fills in the memo, and then gives the RMB and documents to the guest.

The hotel's foreign currency is one-way exchange, only in and out;

As for the identification of authenticity, this requires professional training from banks and involves a wide range of knowledge. Different types and versions of foreign currencies have different methods of identification. Some foreign currencies, such as coins, not only identify the authenticity, but also require high cleanliness of the face;