This is the manager's desk. Right in back is a fancy cabinet containing bottles, for offering drinks to the rich depositors.
9 seconds sound clip from the For a Few Dollars More movie soundboard.
You can hear this line at 00:37:29.203 in the Blu-ray version of the movie.
Quote context
[...]
- A man who gets caught doesn't deserve respect, huh?
- There's the main door, and opposite they built a double wall.
[...]