Serial Number: 30-01834. Very good condition. Bore is bright and shiny. Cylinder does have some light turn lines from normal operation. Has some finish wear around the hard edges, and on the barrel. 

This 3-Screw Ruger Blackhawk was manufactured in 1969-70. Featuring a 6.5" barrel, 6 shot cylinder, SA trigger, bladed front sight and rear elevation sight, side loading gate, manual ejector rod, and has smooth walnut grips.