If anyone here could help me identify the airgun in the following pics I'd be most grateful.

It's missing a couple of pins/screws but otherwise seems in good condition. Car boot material or something worth selling through a specialist dealer/website?

All advice greatfully received.
Thanks,
Tim

http://i496.photobucket.com/albums/r...con/rifle1.jpg
http://i496.photobucket.com/albums/r...con/rifle2.jpg