Welcome to the forum.
Just for future reference, S&W never plated hammers and triggers so when you see one that way it is a strong indication that the gun has been refinished. Normally these features were case hardened and initially showed strong color variations of blue and tan. Unfortunately, over time these vivid colors can fade and sometimes on a computer monitor even case hardened parts can appear as plated.
Obviously, a hands on inspection is the only sure fire way to judge and a factory refinish can be almost impossible to detect as they were so good at it. Round pins that have been buffed flat is another tell tale sign.
Sometimes these modified guns can be neater than their original counterparts because it shows mans desire to make something their own. Enjoy.
