Here's a 301 (it's the one I have) with a BIN. This one comes with a case. Mine didn't, but I wanted to sew on it, not keep it in the case :lol:
http://cgi.ebay.com/Singer-301A-Case...item3f068f3bac
and another with Free Shipping!
http://cgi.ebay.com/VINTAGE-SINGER-3...item20b6929efd