Here's a new keramik manufacturer for us: Eckhardt & Engler Heramik of Hohr. They were wholesalers founded in 1898 who bought their own kiln in 1914. They seem to have been quite big in steins and were purchased by Goebel in 1971.
I just love it when there's a label
The form is 2072/15 (=15 cm) and the yellow glaze has been matted, apparently in the factory