1968 Barracuda sold for $167,750 at the Dallas Auction

Here's one:

http://www.mecum.com/auctions/lot_detail.cfm?LOT_ID=FL0111-103147&entryRow=141

I seem to recall that a restored, virtually unmolested, BO29 sold for a quarter million bucks a year or two ago; it might have been at BJ. I believe it was retired from racing early on in its life and was never cut up or modified.