Have some fun with the constant dollar values here. Conversion table upper right:

http://www.minneapolisfed.org/

From 1976:
http://www.flickr.com/photos/nesster...7621778835031/

Slew of vintage ads:
http://www.flickr.com/photos/nesster...7621778835031/

From 1958:
http://www.flickr.com/photos/nesster...7621778835031/