I try and keep 5% of my wealth in silver. All 1oz coins. Mostly Kookaburras and Kangaroos but some others aswel. It's good to diversify incase there's another banking crisis and my money gets frozen like in Greece & Cyprus. I sound paranoid, ha.
Maybe I'll do a post on it soon.
RE: Macro-Photographs of a Silver Coin "Australian Kangaroo".