With krakelyurnym varnish I came across this is not it . A searchlight on clearance
>, seen as an old antiquarian delal.S reverse side put a bright light and look uniform layer, craquelure , etc., ie the area where uniformity renovating another and often no craquelure.
Add photos in daylight. When the frame was shot many centuries of dirt ( dust, lechinok , etc.). Perhaps now varnished , not argue .
Painting bought is not expensive, it does not sell well-known author .