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.