At a 6-inch diameter, these are vintage Japanese Blue Willow bread and butter, salad, or saucer plates. The simple "Japan" backstamp format means they are authentic mid-century transferware pieces, likely produced between the 1920s and 1950s. Key Characteristics Pattern: The classic Blue Willow design is a chinoiserie pattern that originated in England in the late 18th century but was inspired by hand-painted Chinese porcelain. It is characterized by a romantic legend of two star-crossed lovers, which is depicted through various elements in the design. Design Elements: The plate features the traditional Blue Willow motifs: a large willow tree, a bridge with three figures, a teahouse (pagoda), a zigzag fence, a boat, and two birds in flight at the top. Structure: This is a small round plate. These plates are made of heavy-duty porcelain or ironstone. The Legend of the Blue Willow The picturesque scene tells a story of forbidden love: The Pagoda: The home of a wealthy merchant whose daughter, Kwang-se, fell in love with his clerk, Chang. The Fence: Built by the angry father to keep his daughter locked away after discovering the affair. The Bridge & Boat: The path the lovers took to escape across the water. The Two Doves: The lovers were tragically caught and killed, but the gods transformed them into two turtle doves, forever united and soaring above the willow tree.