I got this one...
160709 is really the serial number of a Leica 1 from 1935...
But lens serial number is unknown....
So I suppose it is a fake???
Fred

http://www.ussrphoto.com/UserContent2/2712019_Leica-1-n160709_02_LD.jpg

http://www.ussrphoto.com/UserContent2/2712019_Leica-1-n160709_04_LD.jpg

http://www.ussrphoto.com/UserContent2/2712019_Leica-1-n160709_05_LD.jpg

http://www.ussrphoto.com/UserContent2/2712019_Leica-1-n160709_06_LD.jpg

http://www.ussrphoto.com/UserContent2/2712019_Leica-1-n160709_07_LD.jpg

http://www.ussrphoto.com/UserContent2/2712019_Leica-1-n160709_08_LD.jpg

http://www.ussrphoto.com/UserContent2/2712019_Leica-1-n160709_09_LD.jpg