This very seventies looking design is from German maker Hutschenreuther.
The pieces in this dinner set are a high fired stoneware. The glaze is a glossy orange glaze on a brown clay. Where thinner the glaze allows the brown clay body to show through (e.g. the ridges and corners), but also on the outside of each piece often the orange glaze has brown undertones on smaller pieces. The glaze also has a lovely subtle orange peel type texture in parts.
It was part of the “Hartkeramik” series from Hutschenreuther head designer Renée Neue in the 1970s. Neue is well known for his use of bright bold colours, striking vases, and the bold dinnerware designs for the company during this period.
The forms in this series bear some stylistic similarity to the well known Thomas Germany, “Scandic Shadow” series of tableware designs by Scandinavian ceramic designer Hertha Bengtson, and is typical of the design from this era.
The backstamp on this series features the Hutschenreuther Lion logo and the Hartkeramik stamp.
Below, one of the bolder colour combinations on dinnerware from the same period by Renée Neue for Hutschenreuther which he is probably better known for, than for the use of a single colour on his ceramic designs.