How much sould i sell my baby for

I have a range rover 2.5 dse in greeny blue with 124k on the clock 3 owners inc me from new. Im now looking to sell it (it Hurts) i have had the service history stolen a few months ago( i dont know if anyone knows about retreaving it) but it did have LR service history up to 118k and two more stamps from a garage in Hull . im putting it for sale this week but not sure how much to sell it for what are they fetching now a days. Its in great nick no rust not even the tail gate everythin works even the AC
Any Ideas Lads