Galerie Claude’s showroom is located in Köln-Deutz inside the courtyard of the former Mayor's residency built in 1778. Above the showroom, lies the restoration workshop in which the team restore furniture from all eras. Since its renaming in 1991 the family business (then 'Antiquitäten Friedrich', based in Cologne for more than 60 years) has been the only German art center dealing exclusively with original Art Deco designs. Claus and Walter Friedrich offer rare designs and unique pieces (with a signature or proof of literature) in museum condition. Galerie Claude has many years of practical experience working with various materials which is essential for identifying objects of outstanding quality. The collection features exclusive works by some of the most important artists of the 1920s and 1930s (eg Chareau, Rousseau, Brandt, Printz, Ruhlmann). Detailed information is available for each product. Gallerie Claude has a growing library of over 600 specialist books.