Ahh gotcha.
I think as an Omega collector, you'd have to be a total completest to add one of these to your collection - it really is more of the type of thing you'd see in the museum at Biel/Bienne and think "that's cool", than something that most of us would go out of our way to buy.
I think the highest value lies in it being a piece of the Concorde story, rather than the Omega one as
@Foo2rama suggested.
Absolute highest value would be at a specialist concorde/aviation auction... which I'm not sure is a thing.
There's currently another one for sale on eBay for €34k -
http://www.ebay.co.uk/itm/232205338535?rmvSB=truePurchases made through these links may earn this site a commission from the eBay Partner Network
But as you say, it's ultimately a flashy paperweight with an interesting story, unless you're really into Concorde.
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