Is Sending Cash by U.S. Mail Illegal?

1ARC8d1http://www.snopes.com/legal/postal/sendcash.asprich1.0Is Sending Cash by U.S. Mail Illegal?Snopes.comSending cash via the U.S. Postal Service may not be advisable, but no law prohibits that activity.http://static.snopes.com/app/uploads/2017/02/mailing_cash_illegal_fb.jpg120062786400<a href="http://www.snopes.com/legal/postal/sendcash.asp" data-iframely-url="//cdn.iframe.ly/1ARC8d1"></a><script async src="//cdn.iframe.ly/embed.js" charset="utf-8"></script>