>>5161530 (lb) Thanks for the summation, anon. Let's also mention that we are running out of PMs (and most everything else!) in the earth's crust.
https://www.visualcapitalist.com/forecast-when-well-run-out-of-each-metal/
Let's also consider the extreme leverage used to suppress the metals' prices, leverage that will give explosive price upside when it ends. $10,000 per oz. is one possible number for when things settle, but it could be substantially overshot at first.
Do not use a safe deposit box—not safe.
Grand Canyon gold is likely legit, as is Chocolate Mountain.