Just so everyone knows, this is EM1843. I'm on my girlfriends SN while on Spring Break. I was just checking Ebay and came across this link.
http://cgi.ebay.com/ws/eBayISAPI.dll...category=11145
Based on the shape of the Lambda and the look of the Delta Pi I'm guessing it's old. Jono, any word. I know you and Tom know more about badges than I do.