1890 Railroad Pass (NGC-Certified). Denver, Rio Grande Railroad, Colorado Midland Railroad, and Union Pacific Railroad Pass, certified by NGC as genuine. Silver pass for 1890 T.P.A. (Traveler’s Protective Association) Convention in Denver. Center divided diagonally. Features mountain scenery with a train emerging from a tunnel across from the Toltec Gorge. Signed Gold and Silver Manufacturing Company, Denver. Pure Colorado Silver is inscribed along the bottom. Very scarce. Only a few others known, of which this is possibly the finest. Measures 82.4mm x 49.6mm. In sealed NGC holder.