Maybe it's worth doing big photo fragments, including mode magnifiers, etc.? Is it possible for such a photo is more or less determine that it oleograph?

For example, a student (ka) art school (a training mission ...)

That is what amazes me. From childhood I remember about the "watercolor" heard the classic stories about the "wash painting to commission store, and the effect of water was unexpectedly small.

Maybe it was the result of "progressive wet? Painting as always hanging with nebilshim slope, so the moisture from the ceiling fell first on her back, and then stood out in front ...

If it is printing, a copy of The Draw - then why on it instead of the expected names of the original, etc. is only one signature "A. Shamshina?

Why is "urgent"? Since the impact of water already 10 years have passed ...

Oleograph lithography glued on wood or canvas and painted with oil kraskami.Sozdaet illusion of butter.

Well, the more so - not watercolor.
On the reproduction of the names do not write, but Shamshina - this is not the signature, and the inscription on the back of the canvas. Signed placed on the front.
  It is 100%lithography, and then darkened. broke out of heating water partially restored the original color.
Wash the whole picture. What, and speech. Wash only benefit would go.

Well, in that time and again, that the signature is located on the front side (lower left corner).

Well, I do not know, then, that for the technique.
I know that watercolor -100%water soluble paint.
It is better to take this as tempera.

Of course with a "completely flat" is I lost my temper. Flat compared with oil.

The surface is rough in places. In my amateur opinion, such evidence could be after the "thick and loose pencil ...

Maybe it's bed?

Bed in a clear long ago would sprinkle.
Lithography likely!

Photographed the surface of the canvas in the mode magnifiers (illuminated flashlight).

The surface is rough.

Please look and suggest the technique of execution (temperature, lithography, gouache, or something else).

Maybe some mixed media?

Scattered surface completely smooth, sometimes something "triturated", sometimes a little relief ...

If there are experts, look at the photos in the previous post!

Without knowledge of what is written, I did not decide the feasibility of restoration. Of course, in its place you can always buy the original poster of the Omsk museum (for 1500, and will look better), but this picture of his way to our family, so I asked about the restoration.

In general, Vrubel Museum (where the original hangs) also did not know what is written. And because of the need of restoration and transported to Omsk, even refuses to accept a gift. : (

The only thing that they have made it clear - the date of up to 1927 (that's when the original appeared in Omsk, and make a copy of Peter "in memory" hardly anyone has). Who is the author copies - never found out (apparently, some kind of student).

Question: what to do now?

Add in an old apartment when moving? Emissions? Or is there some "standard" method of disposal of lost or boring works of art (for example, give students a restorer practice)?