Fake Fraternities in Ads in the 1950s!
 

See
http://digital.lafayette.edu/islando...tream/OBJ/view
on Page 5 lower left corner

A Coca Cola add proclaiming Lambda Omega Rho (Lovers of Refreshment). At least all of the fraternities/sororities in the illustration behind the people appear to be real (other than Lambda Omega Rho itself)...