This is from the famous Japanese ceramic brand, "Tachikichi." The square stamp (backstamp) on the underside of the plates is "Tachikichi" written in "Tenshotai" (seal script), an old style of calligraphy. Product Details: Brand: Tachikichi (Tachikichi) Item: Small plates (serving plates) or ceramic side dishes Design: Often features gold rims, floral patterns, and collage-style decorations; sets (such as sets of 5) are common. Meaning of the stamp: "Tachikichi" comes from the company's original name and is widely used as a backstamp. - Quantity: Set of 5 - Design: Blue floral pattern - Diameter: Approximately 15.3cm, height 2.3cm. There may be some error due to amateur measurement! - Manufacturer: Made in Japan ceramics Thank you for viewing.