Icon Solovetsky Miracle Workers

[reka]

Help to determine the time of writing the icon of the Solovetsky Miracle workers:
the basis of the whole Board,2 keys, mortise end, 2 cylindrical inner. Was under the salary. size h

[Art-ort]

2nd half of the 19th century.Probably after 1880

[reka]

Linseed oil is much darkened.
If someone else have any opinions on this icon then write and explain please. I'm interested in everything. I brought her from the North of the Kola Peninsula.

[Аркадий]

Con. 18 - early 19 century (this is evidenced by paleography napisany, in my opinion) , maybe North, Solovetsky letters.