Which one?
Old Mort was a man of many disguises. It depended on the arms being used. S&W Scofields, Colt SAA, 44 Russians, Colt Open Tops, Colt 1860 Army's and Ruger Vaqueros each has/had their own getup (and leather with appropriate type of rifle and scattergun).
Best picture was one taken by a guy at one ot the meets with an old Mathew Brady type camera that did a tin type of my wife and me that you would swear is 150 years old......just can't figure out how to post it
Every once in a while I like to take my 1880 original Springfield Trapdoor rifle up to the range with some home rolled 45-70 black powder rounds. Gets the attention (and lungs) of the AR guys on the line. By the time the smoke clears I can see the target again.
Mort