Most expensive album ever made (by Wu-Tang Clan) sold for $2 million
 

So only one copy was made and they sold it to the AIDS pills guy who raised the cost of the pills from $13.50 to $750 :) (but the deal was made before he bumped the price)

Pharma?s Bad Boy Exec Paid $2 Million for Wu-Tang Clan?s New Record - Bloomberg Business

Wu-Tang Clan's New Album: Why There's Only One Copy - Bloomberg Business

There was even a kickstarter campaign to throw together some money: https://www.kickstarter.com/projects...ans-for-wu-peo