This is 2 Greenberg's Price Guides for Lionel Trains.  One is 1901-1991 Prewar-Postwar-Modern Era.  It has a name on the cover and also a slight water mark on the cover and first 2 pages.  The 2nd one 1901-1942 & 1945-1987 has writing on the top of the cover and first page.  It says "Lionel Metal Cars Page 20" inside. There is also a supplement list taped on the inside cover.