Vintage Palekh brooch “wintering” with artist’s initials “ML”

Vintage Palekh brooch “wintering” with artist’s initials “ML” Thus item is new (never worn, but no original box). Purchased from an artist’s market in Russia in the 1990s. As a handmade item there are non-uniformities. (See all photos) 2” diameter. Please ask if you have any questions!