Brooch with birds and flowers Design Karl Hagenauer, attributed to Werkstätte Hagenauer Circa 1920 Alpaca, galvanoplastic manufacturing process Diameter 4.5 cm This brooch is one of the first designs that Karl Hagenauer had made in the family workshop. The fine floral elements are very similar to the designs of Dagobert Peche from this period. Such early pieces are extremely rare on the open market. Literature: Design drawing, Olga Kronsteiner in Monika Wenzl-Bachmeier (ed.), "Hagenauer - Wiener Moderne und Neue Sachlichkeit", exhibition catalogue, Vienna 2011, p. 22.

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.