David Feldman International Auctioneers has sold more Grand Prix and award-winning collections than any other company in history. We have a proven track record in getting top results, often at many multiples of their original auction estimates. We have held world record prices obtained for selling items from every area of philately, as well as routinely achieving outstanding results for stamps, covers, collections and other collectables, both through our auctions as well as by private treaty sales. David Feldman SA, Chemin du Pavillon 2, 1218 Le Grand-Saconnex, Geneva, Switzerland Tel: +41 22 727 07 77 I Email: [email protected] I www.davidfeldman.com
The Siegel firm was founded by Robert A. Siegel (1913-1993) in Kansas City, Missouri, in 1930. With 2018 sales of $36 million, Robert A. Siegel Auction Galleries is one of the world’s highest-grossing stamp auction companies and by far the largest in the U.S.
Robert A. Siegel Auction Galleries, Inc, 21 West 38th Street, 7th Floor, New York, NY-10018, USA Tel: +1 (212) 753 6421 I Email: [email protected] I www.siegelauctions.com
We have longstanding expertise in Airmails hosting regular Auctions of outstanding India material including Airmails recognising India’s significant contribution to Aerophilatelic history since the landmark 1911 Allahabad Flight. Argyll Etkin Ltd, 2nd Floor, 1 Wardour Street, London W1D 6PA, United Kingdom. Tel: +44 (0)20 7930 6100 I Fax: +44 (0)20 7494 2881 I Email: [email protected] I www.argyll-etkin.com