What does a conceirge wear for work?

What does a conceirge wear for work?
In the US, assuming that he really deserves that title, a lapel pin with crossed golden keys crossed over a round US flag symbol emblazoned with gold letters USA and further marked Les Clefs D'Or, the symbol of the prestigious professional fraternity of coneierges at the best hotels. If you haven't ever met one, don't feel badly, their number is small (less then 500), and they can't all be on duty 24 hours a day, although the good ones will make it appear that way. They are the Creme de la creme of the Hospitality Industry. The few that are in private service regulary receive six figure salary's, housing and meals.