This Elekronica keyboard has both Roman and Cyrillic lettering and Cyrillic command keys. At the back there is a gray cable, which is about a meter long.
Manufacturer
Elektronika
Identifying Numbers
Other number
15BBB-97-006
Found on the metalic tag on the bottom of the keyboard
Other number
CMA 376.92.33
Handwritten in red perminent marker on the left end
Other number
N7399 05 86
Found the metalic tag on the bottom of the keyboard