Antique 1915 Stamped Postcard Eagle River Canyon CO-Colorado, Railway, Vintage This antique postcard features a stunning image of Eagle River Canyon in Colorado, with a railway theme. The message on the postcard is dated January 10. 1915 and also features the one cent Ben Franklin postage stamp. It is a unique piece that showcases the beauty of Eagle River Canyon in Colorado, and the railway system of the past. The postcard is a must-have for anyone who appreciates the history and charm of vintage items.