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 Neumeister Kunstauktionen, Munich, Germany |
| Ansorena, Madrid, Spain |
| Galerie Bassenge, Berlin, Germany |
| Blomqvist, Oslo, Norway |
| Bukowskis Helsinki, Helsinki, Finland |
| Bukowskis Stockholm, Stockholm, Sweden |
| Castells, Montevideo, Uruguay |
| Christie's London, London, United Kingdom |
| Christie's Paris, Paris, France |
| Christie's South Kensington, London, United Kingdom |
| SCP Digard Pestel-Debord Commissaires Priseurs Judiciaires, Paris, France |
| Dobiaschofsky Auktionen, Bern, Switzerland |
| Galerie Fischer Auktionen AG, Lucerne, Switzerland |
| Germann Auktionshaus AG, Zurich, Switzerland |
| Hauswedell & Nolte, Hamburg, Germany; New York, NY, USA |
| Dreweatts, Kent, United Kingdom |
| Peter Karbstein Kunst & Auktionshaus, Düsseldorf, Germany |
| Karl & Faber, Munich, Germany |
| Ketterer Kunst Hamburg, Hamburg, Germany |
| Ketterer Kunst München, Munich, Germany |
| Marc-Arthur Kohn, Paris, France |
| Koller Auktionen Genf, Geneva, Switzerland |
| Koller Auktionen Zürich, Zurich, Switzerland |
| Galerie Kornfeld Bern, Bern, Switzerland |
| Lempertz, Cologne, Germany |
| Matsart Auctioneers and Appraisers, Jerusalem, Israel; New York, NY, USA; Tel Aviv, Israel |
| Nagel Auktionen, Stuttgart, Germany |
| Perrin, Royere, Lajeunesse - Versailles Enchères, Versailles, France |
| Phillips London, London, United Kingdom |
| Bruun Rasmussen Auctioneers, Copenhagen, Denmark |
| Quittenbaum Kunstauktionen München, Munich, Germany |
| Sotheby's Hong Kong, Hong Kong, China |
| Sotheby's London, London, United Kingdom |
| Stockholms Auktionsverk, Stockholm, Sweden |
| Dr. Andreas Sturies, Düsseldorf, Germany |
| Van Ham Kunstauktionen, Cologne, Germany |
| Villa Grisebach Auktionen GmbH, Berlin, Germany |
| Tajan, Paris, France |
| Morton Casa De Subastas, Mexico D.F., Mexico |
| Rieunier & Associés, Paris, France |
| Dr. Irene Lehr Kunstauktionen, Berlin, Germany |
| Cornette de Saint-Cyr, Paris, France |
| Shinwa Art Auction, Tokyo, Japan |
| im Kinsky, Vienna, Austria |
| Auktionshaus Dr. Fischer, Heilbronn, Germany |
| Jeschke van Vliet Auctions Berlin GmbH, Berlin, Germany |
| Auktionshaus Stahl, Hamburg, Germany |
| MacDougall's, London, United Kingdom |
| Artesegno, Udine, Italy |
| Auktionshaus W.G. Herr, Cologne, Germany |
| Auktionshaus Kiefer, Pforzheim, Germany |
| China Guardian Auctions Co., Ltd., Beijing, Hong Kong, China; New York, NY, USA; Shanghai, China; Taipei, Taiwan; Tokyo, Japan; Vancouver, BC, Canada |
| Casa d'Aste von Morenberg, Trento, Italy |
| K Auction, Seoul, Korea (South) |
| Lauritz.com Hamburg, Hamburg, Germany |
| Schmidt Kunstauktionen Dresden, Dresden, Germany |
| Grev Wedels Plass Auksjoner AS, Oslo, Norway |
| Alde, Paris, France |
| WestLicht Auction, Vienna, Austria |
| Poly International Auction Co., Ltd., Beijing, China |
| Gerrards Auction Rooms, Lancashire, United Kingdom |
| Est-Ouest Auctions Co., Ltd., Tokyo, Japan |
| Hosane Auction Co. Ltd., Shanghai, China |
| Augur Auction, Tokyo, Japan |
| Phillips de Pury & Company London, London, United Kingdom |
| Seoul Auction, Seoul, Korea (South) |
| Skånes Auktionsverk, Landskrona, Sweden |
| Zhong Cheng Auctions, Taipei, Taiwan |
| Kingsley Art Auction, Taipei, Taiwan |
| Auktionshaus Kaupp, Sulzburg, Germany |
| Banco Ciudad de Buenos Aires, Buenos Aires, Argentina |
| Beijing ChengXuan Auctions Co., Ltd., Beijing, China |
| Auction House Zezula, Brno, Czech Republic |
| Aste Boetto, Genoa, Italy |
| Arthouse Contemporary Limited, Lagos, Lagos, Nigeria |
| 33 Auction, Singapore, Singapore |
| XiLingYinShe Auction Co. Ltd., Hangzhou, Beijing, China |
| The Young Collectors Auction, Dubai, United Arab Emirates |
| Arroyo Remates, Buenos Aires, Argentina |
| Ise Art Co. Ltd., Tokyo, Japan |
| Cambi Casa d'Aste, Genoa, Italy |
| Secher Scott, Copenhagen, Denmark |
| Poleschi Casa D'Aste, Milan, Italy |
| Oise enchères, Ressons sur Matz, France |
| Brussels Art Auctions, Brussels, Belgium |
| Portakal Art and Culture House, Istanbul, Turkey |
| United Asian Auctioneers, Hong Kong, Hong Kong |
| SBI Art Auction Co., Ltd., Tokyo, Japan |
| Beurret & Bailly Auktionen AG, Basel, Switzerland |
| Auctionata, Berlin, Germany |
| Biksady Galéria és Aukciósház, Budapest, Hungary |
| Libreria Antiquaria Little Nemo, Torino, Italy |
| Veritas Art Auctioneers, Lisboa, Portugal |
| Kedem Auction House, Jerusalem, Israel |
| Peace One Day and Phillips de Pury present AKA Peace, London, London, United Kingdom |
| Galerie Kornfeld, Berlin, Germany |
| Lordello & Gobbi, São Paulo, Brazil |
| Galerie Benedict, Vienna, Austria |
| Galerie Arcimboldo, Prague 1, Czech Republic |
| AA Auction, Yerevan, Armenia |
| Martín Saráchaga, Buenos Aires, Argentina |
| Artbitrage AG, Berlin, Germany |
| SO Gallery, Paris, France |
| PUG, Oslo, Norway |
| Heffel Fine Art, Vancouver, BC, Toronto, Ottawa, ON, Montreal, QC, Canada |
| Bonhams San Francisco, San Francisco, CA, USA |
| Julien's Auctions, Beverly Hills, CA, USA |
| Michaan's Auctions, Alameda, CA, USA |
| Santa Monica Auctions, Santa Monica, CA, USA |
| Clark's Fine Art Gallery & Auctioneers Inc., Sherman Oaks, CA, USA |
| Los Angeles Modern Auctions, Van Nuys, CA, USA |
| Santa Monica Auctions, Santa Monica, CA, USA |
| Trinity International Auctions & Appraisals, Avon, CT, USA |
| Elite Decorative Arts, Boynton Beach, FL, USA |
| Evelyn Aimis Fine Art, Miami, FL, USA |
| Fine Art Auctions Miami, Miami, FL, USA |
| Nader's & Fine Art Auctions Miami, Miami, FL, USA |
| Coeur d'Alene Art Auction, Hayden, ID, USA |
| Wright, Chicago, IL, USA |
| Leslie Hindman Auctioneers, Chicago, IL, Naples, FL, USA |
| New Orleans Auction Galleries, New Orleans, LA, USA |
| Pundole's, Mumbai, India |
| Barridoff Galleries, South Portland, ME, USA |
| Stefek’s Auctioneers and Appraisers, Grosse Pointe, MI, USA |
| DuMouchelles Fine Arts Auctioneers and Estate Appraisal, Detroit, MI, USA |
| Ivey-Selkirk, Saint Louis, MO, USA |
| Rago Auctions, Lambertville, NJ, USA |
| Creative Capital, New York, NY, USA |
| Sotheby's New York, New York, NY, USA |
| Phillips de Pury & Company New York, New York, NY, USA |
| Christie's New York, New York, NY, USA |
| RoGallery.com, Long Island City, NY, USA |
| Phillips New York, New York, NY, USA |
| Gene Shapiro Auctions, New York, NY, USA |
| Stair Galleries - Auctioneers & Appraisers, Hudson, NY, USA |
| Keno Auctions, New York, NY, USA |
| Philip Weiss Auctions, Oceanside, NY, USA |
| Aspire Auctions, Inc., Cleveland, OH, USA |
| Treadway Toomey Galleries, Cincinnati, OH, USA |
| Cleveland Auction Company, Cleveland, OH, USA |
| Gray's Auctioneers, Cleveland, OH, USA |
| Heffel Fine Art Auction House, Toronto, Canada |
| Sotheby's Canada, Toronto, ON, Canada |
| Freeman's, Philadelphia, PA, USA |
| Case Antiques Auctions and Appraisals, Knoxville, TN, USA |
| Dallas Auction Gallery, Dallas, TX, USA |
| Quinn's Auction Galleries, Falls Church, VA, USA |
| The Potomack Company, Alexandria, VA, USA |