Hannover, NiedersachsenKastern GmbH & Co. KG Das Kunst u. Auktionshaus Mamaroneck, NY & Dania Beach, FL London, UKAntikBar Original Vintage Posters ON, CAAurora Antique Auction House Ltd ON, CAAurora Antique Auction House Ltd East Greenbush, NYTwo Feathers Antiques & Auction Services / Schillaci & Shultis