The product is a Chinese antique type official kiln blue glaze Guan ware dish.It is made of porcelain and pottery, showcasing intricate details and traditional Chinese aesthetics. The blue color adds a touch of elegance and sophistication to the piece, making it a valuable addition to any collection of Asian antiques. The Guan ware maker's craftsmanship and artistic vision are evident in this unique and timeless piece. Father brought from auction house of California.