I'm not a collector!!! The First One Looks Like it Walnut ( wood ) Part of a Burl Highly Polished And Beautiful!!! second pic look like there is a small Crack near the Metal!!! HH Chug
I saw 2 today at a thrift store.Both appeared to be white porcelean. The tag on one said 1800's and the other 1700's. They looked the same to me. Don't know how they knew the age of them?