Per the previous post [1], if you are wondering if To'ak Chocolate [2] is really worth more per ounce than silver, apparently [3] it is [4].
[2] https://toakchocolate.com/
[3] http://www.foxnews.com/leisure/2015/02/10/tried-worlds-most-expensive-chocolate/
[4] http://www.latimes.com/food/dailydish/la-dd-expensive-chocolate-bar-20141120-story.html