Wow, you're really set on one of these, eh? I have a neat thing (though it's not for sale). It's a Zorki 1 but it was built as a fake Shanghai 58. So it's a Zorki 1 knockoff of a Shangahi 58 which is a Leica III knockoff. Ha! Really sharp 50/3.5 collapsible on it too. Good luck on your search.