Yes to courier a 10oz lump of gold interstate here in Australia costs $25 Australian plus insurance. One email and it's there tomorrow. I've got a transaction stuck in mempool for at least the next day with a $20 fee. This is only going to get worse.
Discussion
how much does it costs to send it abroad? internationally?
how much does it cost to send it to places where the have no banks?
Probably I am missing your point ..