This has a couple of wrinkles at the folds and the edges are a bit worn.  No other stains or marks, a little bit aged, but not bad. Top left corner is a bit bent.

I have two of these, but this is the best.  I am selling the other also.  I also have manuals for;

Lionel GP-9 road switching locomotive
 No 50 section gang car for 027 and O gauge track
LTC Illuminated lockon for O and "027" track
Instructions for operating type RW "multi-control" transformer with built in whistle controller
How to assemble Lionel "super-O" track
Lionel remote control # 022 switches