Ohlmüllerstraße 13, then 15, Munich 7, Bavaria.
Kunst-Töpferei / Art Pottery.
In 1906 Joseph Leipfinger lived at Lilienstraße 44(4) and described himself as a Ceramics Decorator / Manufacturer. In 1921 he founded Münchener Werkstätten für keramische Kunst at Ohlmüllerstraße 13 and was joined by Karl Leipfinger as the Art Director. Karl also moved in to Joseph's flat. However by 1927 Karl had disappeared from the address books. Both Joseph and the company moved next door at Ohlmüllerstraße 15. circa 1932, but by 1937 the company had ceased to exist.
Today number 13 is a Laundromat, with number 15 now appearing to be a private dwelling.
Impressed mark on the base of a stein.
Pre the 1921 foundation of Münchener Werkstätten für keramische Kunst 
Impressed mark on base of the stein (centre) Logo exhibiting the Bavarian blue diamond symbols. 
Logo exhibiting the Bavarian blue diamond symbols. 
Freehand incised mark "Leipfinger / München". Presumably an early pre 1921 mark. × 
Karl Leipfinger, Oct 1918. Stein shown left and right. 
Earthenware stein with naive country decoration. 
Early mark, Joseph & Karl Leipfinger. × 
Pre the 1921 foundation of Münchener Werkstätten für keramische Kunst
Top view of stein, centre, showing closed 3 ring hinge on lid.
Moulded mark on the underside of pewter lid, showing The Münchner Kindl in a goblet, with the words: MUNCHENER WERKSTATTEN*FUR KERAMKUNST
Another early mark? Note the stylised J, K and L denoting Joseph & Karl Leipfinger. 