There are very few things that can be said that are the same for every jewelry store out there, but one of them is that if you ask and dig around at the very back of the safe, you will find a box.
Lon Putman handed this to me over 30 years ago and told me it was going to be the most important tool I would ever use. And he was 100% correct. I use it every time I go into my shop. Many times when I am not even in my shop. When people visit my shop to learn, I start by telling them that this is the most important tool they can ever have as well