I don't know if fake or real, but it is very unlike any other cast Chinese cash that I have seen. The characters on the obverse look most similar to Western Han Dynasty (Hartill 7.17 or so), but just even more thick and blocky. I don't recognize the rev characters at all.
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz