Another week, another teaser image from the Vikings as the team gets set to show off its new uniforms for 2013 a week from today.
This week: An image of the back of the new home uniforms featuring a close-up shot of the numbers.
Other clues from previous weeks include, the belt buckle:
And the "Vikings" logo below the collar:
More clues? They're everywhere on the Web. The Skol Speak blog compiled them all right here.
That blog also came up with a helmet design ... but it's just for show, nothing official ... yet: