A couple more of nice pics.
The very first models of BK0010 had an unusual membrane keyboard:
Nice looking, but very unpractical (especially when lot of typing was needed).
The contacts weared out quickly...
Here is BK-0010 in full factory complectation: with power adapter, external ROM module (black box laying atop), various cables and manuals.
Later model, BK-0011 had 128 Kb RAM and could work with floppy drive.