This is Sirius Black from the Harry Potter series by J. He looks quite sad and melancholy in this pic. It looks like he's off to visit the grave of his best friend, James Potter, and his wife, Lily Evans
The Sword Of Griffindor is the only object that can actually destroy Voldemort's horcruxes. This prop becomes essential in the last part of Harry's life because that is when Harry searches and obtains the horcuxes the most and destroys them.