This is a 35mm Railway Slide.
Original 35mm Railway Slide GWR Steam Locomotive 7808 (Ref498b2)
Original 35mm Railway Slide GWR Steam Locomotive 6998 Burton Agnes Hall
35mm Railway Slide GWR Steam Locomotive 6106 Didcot (refH11)
35mm Railway Slide GWR Steam Locomotive 5069 (refH15)
Original 35mm Railway Slide LNER Steam Locomotive (498a23)
