Bill - drop Mark at Funky Junk an email and tell him you don't want to sell it, and need to know an insurance value: http://www.proaudioeurope.com/4/about_us He's probably sold more of these things than anyone else in Europe, so should know an accurate value.
You could also try Brian Gibson: http://www.tgmixers.co.uk/Frames/frameset.html
From what I can see, it appears that your console is one of the very desirable ones. Having said that, I do know of certain EMI modules from that period that can sell for a lot less, so it's best to be sure, for your own sake and insurance.
Justin
btw - As has been said, DON'T break it up. This will be worth a lot more, financially and historically, in one piece. Complete consoles like this tend to be bought by rock glitterati, and they will pay through-the-nose for a complete unit.