Hey fishstick,
Maybe I shouldn't have called it a "jug." How do you like soy sauce pot? Many of these have been found in localities that have had historic Chinese populations. Technically, I suppose, one should call it a "brownware spouted jar," though I'm not an archy. Scroll down to the bottom for illustration >>>
http://www.scahome.org/publications/proceedings/Proceedings.11Yang.pdf
H4546.2 | OMCA COLLECTIONS
I'd be questioning the expertise of said curator, though I sure can see why he would admire it.