Collectables insurance

Insurers generally steer clear of collectables but will insure single-piece items (such as a antique ring etc).
Unless your collection is curated by an organisation or company who will underwrite the value of your collection in their policy, it's a case of protect at your own cost (as mentioned above Safes etc).
 
It's $250 per year. It's not massive though. But just put the biggies in there.
It's free insurance up to $10k with that box.
I took out 1 in a bank around 10 yrs ago, 200 a year.
No electronic devices allowed, no cameras, if I take items out of lockup, I lose the the setup.