Unless the 1843 seated dollar has a major DDR then that puppy is as fake as they get, and what are those raised lines on the front, part of an extra shield?
Yes, I'd say you spotted a fake. Be careful when buying those older coins on feebay b/c there are so many fakes that some sellers don't even know they're selling them. Others do know and don't care. make note
By what evidence do you deem it of Chinese origin? Apart from the generalized notion that most originate in that nation.
Try using an non-reflective black or dark gray background when you make your images. The reflected light from the white background is dominating the reflected light from the coin.
