Modernist Rare XL German Porcelain Op Art Vase - M Frey 1970s for Kaiser

This is a wonderful rare in this size porcelain Op Art vase by Michaela Frey for German porcelain manufacturer Kaiser. Stylized relief. c.1970s condition: excellent material: glossy porcelain 30cm L x 30cm H x7cm or 11.8" L x 11.8"H x 5.1”