[Kolokotronis]

"What is this icon properly called? Is it Russian? Looks like Moscow school"

I don't think I've ever seen this specific icon before. It looks like a variation of an icon called "The Intercession of the Virgin" which is a Novgorod School icon, 14th/15th century. It is certain that it is Russian.

[annalex]

Better graphic:

The Intercession of the Virgin
(end of the 14th-beginning of the 15th c.)

Novgorodian School icons