Manufactured in 1955. With narrow base textured ramp front and Micro adjustable rear notch sights, correct early style flat top frame, type 2 ejector rod housing, type 1 serrated head ejector rod, serrated blue hammer with polished sides, and aluminum alloy grip frame. The grips frame is black anodized, and the remaining components are blue. The frame has the distinctive plum/red coloration found on early production Ruger revolvers. This coloration was so common in fact, that for a time Ruger would issue a disclaimer regarding the color in the boxes for new shipped revolvers. With stag grips with nickel and black Ruger medallions. With unnumbered correct model factory box and papers.