 In 2009 Marvel Comics closed its Open Submissions Policy, in which the company had accepted unsolicited samples from aspiring comic book artists, saying the time-consuming review process had produced no suitably professional work.The same year, the company commemorated its 70th anniversary, dating to its inception as Timely Comics, by issuing the one-shot "Marvel Mystery Comics 70th Anniversary Special" #1 and a variety of other special issues.On August 31, 2009, The Walt Disney Company announced it would acquire Marvel Comics' parent corporation, Marvel Entertainment, for a cash and stock deal worth approximately $4 billion, which if necessary would be adjusted at closing, giving Marvel shareholders $30 and 0.745 Disney shares for each share of Marvel they owned.