This is a model 1680.  "Shell."

Orange body, red "Shell," other lettering in black.

The paint appears to be original and has no touchups. There are some scratches, from normal use and play. 

Pre-owned, vintage.  From the estate of a personal friend, born in 1944 - these were his childhood toys.  Appears clean and in good condition, though there are some scratches.  The paint appears to be original and has no touchups. There are some scratches, from normal use and play. 

I am working my way through 7 banker's boxes full of Lionel trains and accessories, so please check my other listings for more pieces from this collection.