highly recommend YouTube video put out by. history in the dark/ the happiest steam locomotive in America definitely a cool video explain some of the history This vintage hat pin features the Southern Pacific Railroad logo and design, specifically depicting the SP Daylight Passenger Train and Gs-4 locomotive. Perfect for collectors of railroadiana and transportation memorabilia, this tie clip is a unique piece that showcases a piece of history from the iconic Southern Pacific Railroad. It is a must-have for enthusiasts of trains and railroads, adding a touch of nostalgia to any collection... thank you so much for looking