Manufactured in 1906. The accompanying factory letter lists this revolver with a 5 1/2 inch barrel in .32-20 caliber, blue finish and type of stocks not listed when shipped to Missoula Mercantile Co. in Missoula, Montana on November 22, 1906. The revolver features blade front and notch rear sights with the single line address on top of the barrel, caliber marking on the left of the barrel, two line three date patent marking, and "Rampant Colt in Circle" stamp on the left of the frame. Matching serial numbers are on the frame, trigger guard and back strap.