I put a watch on this one a while back out of interest, but noticed today that is has gone to what I would describe as 'silly money' £498.00 or just about double that in greenbacks.
The other point which nobody may have picked up, is that it is a 1955 engine, not circa 1930's as the auction states.
I have just sent a message to the vendor, advising him that he may end up in touble if the buyer wants a really early engine, although the dating information is freely available and the engine number has now been put on the auction page.
Peter