I think they spell S-T-O-P from top to bottom and stay on while crossing lights flash.Just an educated guess!
Sleeping car people ? Why not try using some medium brown or tan Ceramcote(cheap acrylic paint avail. at Walfart,Michaels,etc).and put a head cut...
Actually you don't need a picture I can describe exactly from the book ,ALCO Official Color Photography by Walther Appel the following.Neither end...
Just recieved my August 2009 Model Railroader and on page 17 they have thier first ad for the Walthers 2010 Reference Book.On the cover is an E9...