vintage crystal salt cellar, likely produced by Daum France.
Details
Material: The item is made of clear, high-quality crystal glass.
Design: It features a wavy, organic, or bow-like shape, characteristic of designs from the mid-20th century.
Brand: Similar items online are often signed "Daum France" on the bottom.
Function: While sometimes mistaken for an ashtray, this specific shape is typically used as a small dish for serving gourmet or specialty salts (salt cellar or salière) or caviar.