Graphics of the early 20th century

[Kaestlin]

CDM, could Not agree with the recommendation of the HC. Alec sander, but keep in mind that the examination result will probably be negative. The sheet has no relationship to the work of V. V. Lebedev. In addition, he has no relationship with the probability of 90+ percent and to m years in General. Such drawings, the market was flooded, and they began to dissolve unknown to scientists. Many-on the back of cards, among them there are all sorts, including and talented-such "romantic reconstruction" Hg. Fakes take them, because usually no signatures. But-scared - your sheet there are signs of artificial aging. But if you want to take a chance-of course - on examination.