Here are some interesting articles and websites I found that might help with the Retro feel we are after. PLEASE DON’T COPY, but I realize some of you aren’t from the USA and therefore may not be as familiar with Americana style Retro design.
This first link actually has a great picture about halfway down with a “how-to” on it.
http://blog.jibemedia.com/2013/06/13/returning-to-retro-with-your-logo/http://www.fuelyourcreativity.com/showcase-50-retro-logos-for-your-inspiration/http://inspirationfeed.com/inspiration/50-striking-vintage-and-retro-logo-designs/http://bashooka.com/inspiration/outstanding-retro-vintage-logos/