Out of the two I have posted, the one on the left I'm sure is Victorian and well made and I'm guessing expensive with the cutting and polished base not something that would have been used in a cottage industry more like an upper class home, the one on the right I think is a reproduction due to it being in such good condition and there are so many of them, even in the link there is one unless they were made in huge numbers, I like the Elliot one very nice.
I have two early Victorian oil lamps in the shape of I think turkeys I put on here a while ago.