not mine so dont ask, but looks like an se, i guess youd need to chat to the guy about history etc.. in the big pic you can see a remote res for rear suspesion but i cant tell if its an se, just looks like one!

http://cgi.ebay.co.uk/1992-HONDA-NSR250-NSR-250-MC21-NO-RESERVE-1200-MINT_W0QQitemZ4595809297QQcategoryZ9806QQrdZ1QQcmdZViewItem