SN 30-74756. made in 1970, three screw (not flat top),
with the Colt Single Action Army Revolver of 1873 (four click cock)
This Ruger Blackhawk is in excellent condition and comes with holster,
reloading dies and several hundred rounds of 357 mag and 38 spcl.
and Redfield 4X scope with all mounting hardware.