How much??

A fool and his money are easily parted..
You may or may not have noticed in the news this week that a photograph sold for a staggering £2.7m

Beats me. To be honest, if I had taken/made this image (it is digitally altered) I doubt whether it would have found any space on my site, but someone else obviously thought it was worth paying £2.7 million for. That makes my own prints seem like quite a bargain.
Call me ignorant but I had not been aware of Andreas Gursky's existence before this event, but I bet he's laughing all the way to the bank.