Russian-made Matryoshka 5-piece set and 2 pin badges

This is a Matryoshka doll set that I received as a souvenir from a Russian friend several years ago. It's a set of two Matryoshka doll pin badges.
*Please note that the pins on the badges are rusted. Please check the photos.

The design is very beautiful with glitter, based on a color close to Bordeaux.
The first doll is a little difficult to open, but it is in beautiful condition.

Thank you for your understanding of this being a used item.