I just took this gun apart to take the pictures and I based on what I see I believe this gun is unfired. As someone who shoots cap and ball pistols regularly I found zero trace black powder residue in any nook, cranny or crevis. There is no discoloration of the nipples and no fouling around...
I have a first year Ruger Old Army in near mint condition with a SBH Dragoon frame and gorgeous Ajax Stag grips. The gun has 99% perfect bluing with a very faint cylinder ring and 2 small scratches at the capping cut out. No bluing wear at muzzle, loading ram, cylinder pin or cylinder base...