anyone help me find this rare zim plush? plz?

Does anyone know where i can find this exact Zim plush from Invader Zim?  I found one but it costs a lot and Im trying to find a more cheap one but i need to find the exact same one, $700 i cannot afford til i actually find myself a Job. Any places or webstie that has one thats  at least cheap will help, thanks !

(PHOTO NOT MINE!)