Rhino horn: £69 per gram
Rhino horns can fetch up to $100,000 per kg, or £69 per gram. Poaching has seen a resurgence since 2008, after a rumour spread that rhino horn powder had cured a Vietnamese politician of cancer and amid growing wealth in the Southeast Asian country.
#4 & #7... Not sure what I am missing here.. But it seems that if I grind my solid gold bars up into a fine powder I can increase it's value by 700%.. from $28 to $200 a gram??