Know where there was an '86 Barret 20 x 7 that sold for $4500 near here early this summer. It was in pretty good shape except the front 6' of the floor had a lot of corrosion and had been covered with a piece of steel. It was good to use, but I'd say it needed cut out and replaced with aluminum if you wanted to make it last. I'm thinking $5000 - $6000 in really good shape.