buy bulk wholesale craft jewelry lot Do you need to declare with cash with a cash of $ 10,000 and a few coins? Do you need to declare just 10,000 US dollars? How to declare, will it be collected after the declaration

buy bulk wholesale craft jewelry lot Do you need to declare with cash with a cash of $ 10,000 and a few coins? Do you need to declare just 10,000 US dollars? How to declare, will it be collected if you declare it? Very anxious!