Chinese/Japanese etched brass and copper travelling Samovar

It is 17" tall and 8" wide. Half of it holds water/tea and the other half holds coal/embers to keep it warm. There is a small door at the bottom of the coal side for cleanout. Inside the coal side are tubes where liquid would flow to warm the tea. The bottom of the pot is very worn and if there are makers marks, I can't tell them apart from scratches. It is beautifully etched all around in an Asian motif. It looks to have been crudely repaired at the spout long ago. It was black but i polished it a few years ago. Please any help would be appreciated by my family. Thank you.

Fair