Russian icon depicting the Twelve Great Feasts

With silver-plated copper oklad and gilded silver aureola hallmarked with the silver marks in use at the end of the 19th century.
This icon depicts Easter surrounded by the depiction in a sequence of theological logic of the Twelve Great Feasts of the Orthodox calendar, taken from episodes of the Old and New Testaments.
Item condition grading: **** good, minor defects on the sides of the oklad.