FanShot

Sounders-Whitecaps poster is a bit of a throwback

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Posters By The People. August 1, 2015 by Sabin Arditty. #SEAvVAN

A photo posted by Seattle Sounders FC (@soundersfc) on

There have been any number of interesting designs submitted to the Sounders' "Posters by the People" promotion, but this might be the first that's a genuine throwback. Lots of fun stuff in this poster that looks like it could have been released in 1974.