Up for auction is a 14-piece lot of Lionel No. 6-12014 O-Gauge 10 in. straight track, 13-pieces.
There is also 1-piece 6-12016 terminal track section. These are used but extremely clean.
No scenery residue that I can see. These are 3-rail track with gray molded roadbed with black ties.
These are ridged pieces, not flexible.