Diagnose Zvereva, please

[Elrick]

Сообщение от spigo

For some reason, some "experts" believe that it is in the 85-86 Zverev much written on brown paper, gofrakartone, crumpled paper. Case you have a simple and, if assured of the provenance, it is enough to send this picture to mail to the expert.

Well, in corrugation AT, indeed, he wrote often, and not only at the end of life, and in the 60-'70s years, too (fortunately, it was one of the most affordable and cheap basis).
But in this paper (in texture is very similar to the parchment, which in Soviet times cheese and butter wrapped ) seen before.

Now not so sure as before "To expel recommend? Silaeva?