You want to know the safest way to send stuff?
Send it Registered through the USPS.
Anything with very high sentemental value, anything that’s extremely high in value, anything you can’t replace if lost or stolen. (This is how I got my CD collection over here)
It’s 7.5….no. Now 8-something. Darn rate change, now I have to memorize a bunch of new tables.
This is basically like a guaranteed service because someone has to sign for it every step of the way. Someone goes to jail if it is lost.
Wrap the whole package in brown paper and use tiny pieces of scotch tape for scoring. If you can find some to buy, buy water-activated paper tape. If not, the P.O. will have some and you use either a watered sponge or bring a spray bottle with water in it to apply the paper tape to all edges and seams.
Lotsa work, but this is so the P.O. can put markings on all edges and seams to identify tampering.
The other downside is that it is slower than priority because there’s alot of paperwork involved.