Ritual tibetan ewer ?

[francantolin]

Hello everybody,

I got this ewer/teapot, (height 35cm )
I think it 's a tibetan model made of copper and brass.
I wonder what is the use of the central hole ?
An incense or flower burner place ?
I didn't find the same model on internet

Idem no idea about age: old piece or recent chinese/indian copy ?

Any comment is welcome

Thank you !!