First Class4 doesn't realize that a large group of rare anything is a wholesale auction. Collectors only buy one or two pieces at a time for 'retail money'. How many of us have talked to the collector that says" I want sell the whole thing as a package for $xx,000 and I won't beak it up. Then he sits with it for weeks or months. Most guys don't have that kind of walkin' around money. There are a very limited number of wrench collectors that can handle it. Everyone bidding on that auction is looking at resale. It will bring a fair amount of money in the last minute, but not what it would bring if he listed them one at a time. There are lots of reasons to sell as a lot, health being one of them.