Linen-era color postcard (C.T. Art-Colortone, no. 2128) of the Streamline Cog Train arriving at the summit of Pikes Peak, Colorado (14,110 ft.), with the historic stone Summit House and its observation tower at right and sweeping boulder-field foreground — published by Sanborn Souvenir Co. of Denver; unposted and unused (light pencil 'Colorado' inscription on reverse only), a fine Colorado railroadiana and mountain scenery piece with cross-collector appeal to Pikes Peak, Manitou & Pikes Peak Railway, cog railroad, Summit House, Sanborn Souvenir Co., C.T. Art-Colortone, and vintage Colorado linen postcard enthusiasts. Please review the scans for condition.