I am not an expert on cast iron by any means but this looks like it is new made to look old. On an old piece I would expect to have smooth wear to the paint especially where it would hit against a door. I would also expect some chipping and the roughness of the casting does not look good to me. Does it feel old or does it feel newer? The rust evident should be a dull old brown rust and not bright new orange rust. It is very hard to tell from the pics if this is old or not but if you are having doubts, why not just use it for a doorstop? I have an old green pirate cast iron door stop that I use all the time. No markings but it has the appropriate wear and chipping. Bought it at an auction years ago for $7 and still love it. Aaaarrrrrrr!
