A very small portion have glue/grass residue. Many have a white paint circle on underside. Overall condition is superb/amazing. The small grouping of about 40 came from one estate sale with very early heavy Bachmann N engines. The rest all came from one estate with Atlas, Trix, Roco vintage clean cars and engines. There are well over 400 pieces of track in this lot. I think all cleanish shiny rails in generally ready to use shape. There is a new switch from Model Power, three new packs of Atlas N curves, empty trix boxes, a cool billboard kit from way back.