Unusual Antique Mounted Occupational Photo, Presumed Steel Worker stencil wheel Black felt well adhered on

Black felt well adhered on the underside

And then there is a small stain on this photo

and the wood has been left untreated

Rhodes 1st

Unusual Antique Mounted Occupational Photo, Presumed Steel Worker stencil wheel Black felt well adhered onA super striking image I think, and I've gone back and forth on whether it a straight photo or a trick one and am still not entirely sure. It looks like the interior of an iron or steel works or related sort of industrial factory, visible behind our man, with a fair amount of detail evident with close looking, and the view of the interior extends all the way to the edges of the photo, such that it seems it may actually be a very piece of large iron or