It says made in Canada, but we don't have anything like that here. Seeing the other items being sold are the infamous "Eyeshadow No 10" etc, sorry but I would have to think it's a fake.
if you also look into the other fake mac items, particully the "mac" blushes he has listed, at the end of the description he says "made in italy". as far as i know all mac products are made in canada.
Doesn't look like any mac product I've ever seen... And I agree with poster above who talked about the brush. MAC would never include a brush like that in any of their products.