Old miniature painting "portrait of a young woman with jewels" signed

Old miniature painting representing a portrait of a young woman with shawl and jewels. The work is signed (to decipher), sold framed. Excuse the reflections due to the glass (slightly curved), note some attentions to be expected (frame with traces of wear, some micro dust under the glass - see photos, contractual). Frame dimension: 13.5 / 13.5 cm, view: 6.8 cm in diameter.