Round porcelain dish or wall plaque with bubbles in reverso. Gilt-glazed top surface. It was designed by Tapio Wirkkala and manufactured by Rosenthal Studio Line in 1971 in a limited edition of 3,000. This is number 2694. The Jahresteller series consisted of an annual collaboration between Rosenthal and an establised artist or designer. It has a 'hook' to the backside if you want to use it as a plaque. Well kept and intact vintage order.