Thank you!
Here in this matter and, if 1950 - "it is quite realistic," then "good advice" (to determine the authorship of Feodosia) is no longer relevant-a ...
If the examiner may or may determine the alleged year of establishment with a precision
up to two years, it is strange how some professionals may differ in opinion on the whole century??
One says - is the pre-revolutionary frame, and in Soviet times did not so, and another - claims that have done so only in the reign of Stalin ...
(It is surprising how Stalin could influence the style of forming stretcher

))
Surely, without a detailed technological expertise can not be determined from the difference in the age of 20 years, for example??