Well, what we do know is that he bought about 2b shortly before he began dumping his 300b. So either he's a duper or an extremely gifted staker/dicer.
http://www.playerauctions.com/offer/myfeedbacklist/?username=matkes&page=9
Notice the 1000m and 1200m sold to him on July 31st
http://www.playerauctions.com/offer/myfeedbacklist/?username=matkes&page=9
Notice the 1000m and 1200m sold to him on July 31st





































