My Dad is at retirement age and has finally been bitten by the old iron bug. He&#039;s been busy buying steam and hit and miss engines and is talking about going after a tractor or two, and since the two Ollivers that I had (66 standard and 70 RC) where my favorites over the JDs and IHs, I&#039;m trying to stear him in this direction. What would be a rare one that he could redo and take to the shows and maybe cause a few jaws to drop?