Lionel Standard Gauge # 36 Observation Antique/Vintage

This is a Toy Train approx 10 3/8" long x approx. 3 1/4" in height , Lionel # 36 Observation. This is Army green with a Army green roof , the top and the bottom is dis -connected, but it has the bracket. This is also from my Dad's collection, I will be listing 2 more like this. Please check my other auction for more of his train collection. If you know the maker Please,Please email me and let me know. Please ask questions, I am not an expert, This train has lots of scratches and missing paint ., the underneath is painted army green also missing paint. wheels have rust. other parts also have rust Thank you!!