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PRIVATE TREATY

For the more than 50 years that we have been in the auction business, we have also acted as intermediaries in the buying and selling of philatelic items directly between collectors (by Private Treaty) – from single stamps and covers of great rarity, to specialised collections & exhibits, in addition to accumulations, dealer’s stocks and printer’s archives.

With our reputation for having sold more high-quality rarities than any other auction firm, there is no one else better positioned to assist collectors in the buying and selling of major rarities. Our years of experience and contact with our clients means we can advise them in the development of their collections as not only do we know which items exist that will take a collection to the next level, but more importantly, we also know where to find those showpiece items.

So if you would like to benefit from or wealth of knowledge and experience, please contact us today.

Get our expert’s opinion

Send us photographs or scans of your stamps and our experts will advise you whether they are suitable for auction.
 

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FOR SALE BY PRIVATE TREATY IN 2020

David Feldman SA are delighted to offer many showpiece items for sale in 2020, with several stunning 1840 Penny Blacks and Twopenny Blues of Great Britain as well as two major rarities of Italian States.

Great Britain 1840 1d Black (5 items) – click to learn more.

Great Britain 1840 2d Blue (3 items) – click to learn more.

Private treaty GB stamps

Italian States (2 items) – click to learn more.

Italian States Stamps by Private Treaty

SOLD IN 2019:

THE HELLRIGL COLLECTION OF JAMMU & KASHMIR

We are delighted to announce the successful sale by private treaty of the Jammu and Kashmir collection formed by the late Dr. Wolfgang Hellrigl. Scans of the complete collection can be found on our Museum of Philately app for Android and Apple devices.

SOLD IN 2019:

THE DR. SODERBERG COLLECTION OF INDUSTRIELLE KRIEGSWIRTSCHAFT ISSUES 1918-1919

The complete collection which has been the basis for the famous book by M. Peter and R. Soderberg published in 2011. This reference collection shows an in-depth study of these fascinating issues, Most items neatly and knowledgeably mounted on exhibition pages.

An extensive study on the thin and thick overprint issues with numerous complete sheets of 50 showing the type 1 to 25. Outstanding items include the so-called Stolz & Co. proof overprints including the extremely rare type II (only two examples known, both in this collection). In-depth study of the 25 different types with many examples unused, used or on piece together with many identified forgeries. Over 240 covers and cards, practically all commercially used with multiples frankings, mixed-issue frankings (including several items with Pro Juventute issues), with fascinating explanation of rates, also used forgeries on cover, etc., also further study of the overprints neatly ordered on stockcards originating from the Rellstab archive.

A truly astonishing holding and a fantastic basis for a large exhibition collection. Complete scans of the collection are available on our website.