You got to be kidding! If I am going to purchase precious metals, they are darn well going to be delivered to me for safe keeping. Sheezham.
Plus - I always thought that was another good reason to hold gold - it keeps it's value in inflationary times. Isn't that what the chart says?
And - I'm a bit suspicious of them using 1980 as a base, and that just so happens to be the highest value on the chart.