This item appears to be a vintage or modern black ceramic platter or plate, similar to styles produced by manufacturers like Yamasin or Höganäs.
Material: Likely ceramic, stoneware, or porcelain with a glossy glaze finish.
Design: Features a minimalist, dark design suitable for modern kitchen decor.
Functionality: Designed to be durable, and many similar styles are chip-resistant and stackable for storage.