I found this Sigma SG-7 on Tradera (Swedish Ebay)
https://plus.google.com/photos/114137996757135772223/albums/5755265776657617377?authkey=CJy2qYGNvau6Aw
It sounds really great and the condition is like new !
Anybody know more about this model ? Very hard to find anything on Sigma SG-7
My emailadress is; tapca@hotmail.com
Thanks