Is it safe to send coins to pcgs or cac via registered mail

I was thinking of sending coins in for certification, but not sure how safe it is. Has anybody had their coins lost or stolen?
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I was thinking of sending coins in for certification, but not sure how safe it is. Has anybody had their coins lost or stolen?
Answers
Registered Mail is very safe.
Sometimes it moves slow but I have never had a problem.
Registered Mail is the safest way to send your coins except maybe Brinks. It is signed by every person that handles them at every destination.
Overland Trail Collection Showcase
Dahlonega Type Set-2008 PCGS Best Exhibited Set
Thanks for the feedback. Difficult to send your favorite coins through the mail as they are so difficult to replace