Your price
Is way too high if you want to sell it. These are not rare, and there are plenty of them out there. There are a few hopeful ebayers that price there machines at ridiculous prices, and they never sell them. Most old kirbys don't even bring a hundred bucks, unless they are in very exceptional condition, with all the boxes, etc. Certainly nobody here would ever pay that kind of price for one. We generally have greater access to Vintage machines, and low costs if any.