This postcard features a stunning aerial view of the Horseshoe Curve railroad and trains in Altoona, Pennsylvania, USA. The image captures the beauty and grandeur of this iconic landmark, making it a perfect addition to any collection. The postcard is standard size (5.5 x 3.5 in), printed as a lithograph in photochrome era (1939-now), and has a divided back and chrome features. It is unposted, and the unit of sale is a single unit. The postcard is categorized as a topographical postcard and falls under the collectibles category. It is an excellent choice for anyone interested in trains, aerial views, or the history of Pennsylvania.