This one came up for discussion on another board a while back. I blew all the pics up and studied them intently. I recall noting the rifle in my "HT survey" at the time. This is what I wrote... "ishy screw, bad fitting timber at butt socket, unsure wood type, bridge rivets rough" I also noted on the survey it had un-numbered mount bases. Where I have struck this before, it is unusual and would indicate replacements. The charger bridge is a serious concern as these rifles were originally assembled by the best craftsmen in the factory. Such a bogus looking bridge would not have gotten out of the factory. If it hasn't been off, then someone has tried to remove it. A couple of other things, the "H" on the butt wrist is wrong, and as someone else noted, it has had the Ishapore foreend tie strap removed and wood repaired.
Yes, it was a Lithgowicon sniper rifle. If someone had the resources to restore it, it would probably be worth the asking price. By resources, I would think you'd need an A.O.C. Patt18 scope with rings on your bench.

Brad.