Description:
See the story on the homepage:
http://mustangforums.com/articles/2010-present-s197-mustang/ford-officially-announces-2013-shelby-gt500-convertible.php
And even more photos at Mustangs daily:
http://mustangsdaily.com/blog/2012/02/08/2013-shelby-gt500-convertible-makes-debut-at-chicago-auto-show/