Vintage Expo '70 posters and tickets

 There's some really nice stuff here - classic 70s photography with the always-necessary addition of Helvetica. Enjoy!

http://blog.iso50.com/2010/05/12/expo70-paraphanelia/

Vintage Posters

http://vintageposterblog.com/

There's lots of cool posters to study at this link. Enjoy!