the similar model has squared off heat sinks (chevelle, nova etc..) they go for about 1/2 price ($150). Mine has the angeled heat sink thus ='s a 69 Camaro I guess. don't ask me but the Camaro guys know the difference. Any older AM/FM (esp with 8 track!) goes for a pretty penny on Ebay. Here is my link
http://cgi.ebay.com/ebaymotors/ws/eB...3884873&rd=1,1