According to the data provided by an E-bay seller, this is a Russian Cold War era Cipher Machine circa 1947, serial no. 4120. Does anyone have more information on it? Apparently it is difficult to find these machines outside the former USSR because most of them had been recalled when the USSR was dissolved.
The 1-0 keyboard layout suggests it might fall into the same use category [encrypted weather reporting] as the 10-key variant of the SG-41 and the similarly laid-out keyboard of the rare enigma presented by Arturo Quirantes in: 'Model Z; A Numbers-Only Enigma', Cryptologia XXVIII(2), 2004.