Found this lid cheap but I'm not sure of the maker or year, BSR is what my first thought but no idea of year. I would also be interested in what it went on so I can get the matching piece. Thanks.
http://www.flickr.com/photos/bday06041975/10219313616/in/set-72157636450869185
http://www.flickr.com/photos/bday06041975/10219202884/in/set-72157636450869185
http://www.flickr.com/photos/bday06041975/10219313616/in/set-72157636450869185
http://www.flickr.com/photos/bday06041975/10219202884/in/set-72157636450869185