I responded in the Badge Trends thread... yes, it's a LONG thread but many are regular addicts for that thread
If you get a vintage badge, you have to purchase it through the Keepers of the Key. The Keepers are part of the Golden Key Alumnae Association, a virtual association (rather than location-based) dedicated to preserving Kappa's history. We have full support from Kappa HQ and they love what we do for the organization. PM me your email address and I will send you more details!