This specific model is recognizable design from the 1950s to 1970s by Mobach.
It is characterized by the horizontal throwing rings in the clay and a subtle, motted white-to-light-grey glaze withe a contrasting dark interior or rim. Mobach is renowned for this type of traditional, understated craftsmanship.
There is a signature on the bottom.
 
H 12 cm x Diameter 13 cm