Russian dolls are a form of Russian folk art, originating in the 1890s. But they didn't get really popular on a global scale until the 1970s,'80s, and'90s. Today, you can find all sorts of Russian dolls in antique stores and online. Valuable ones are signed by the artist.
Strawberries Matryoshka 8.5, 10 dolls, the little one is less tall than 3/4. Signed (please look attach photo), dated 1993.