My 49 no dash has been refinished and looks very similar. in the 80's, a popular refinish was "Metal Life". It is a Teflon coating and came in many colors. When done properly, the action will be as smooth a butter. When done wrong, the action will be near impossible to "Ungunk" it!
Back in those days, this kind of refinish was about $35 retail. Almost 40 years later and mine is still going strong. From the pictures, it looks lie a nice job.
Some will say the gun is ruined. Not at all! The museum quality collectors value was most likely already gone, and these are great "Shooter" grade guns.
Ivan