SPOLIER: Jack in Season 3 finale

If you don't want to know any details about Jack or the finale, do not read the rest of this post or look at the pictures.

I've read a few places that some people felt Jack's beard (no grey hair) was an inconsistency with a "flash forward" from last night's episode. Here is a screen cap I captured showing Mr. Grey Beard.

Also I've read a few different theories as to who was in the coffin. The part I could read from the screen cap that I captured.

Newspaper: "Los Angeles County..."
Headline: "Man Found... downtown...
Body of story: "The body of J... of New York was..."