Buitenlandse Corr. Lid 03.10.2015
Collections
- Luxembourg
- Transatlantic letters 1838 – 1851
- Forgeries
Exhibitions
- nationale World War I., from its Sources to its Consequences Frederic Huth, Correpondance 1809 – 1860
- international Retour, Parti, Inconnu World War I. and his postal Consequences for Luxembourg 1914 – 1919
- The History of the Anglo-American Postal Treaty of 15 December 1848
Publications
- Handbook Occupation of Luxembourg during World War I
- Handbook Forgeries Luxembourg
- Swindle and Dupery in Philately
- Numerous articles in various publications
Membership of foreign society’s :
- Bund Deutscher Philatelisten
- Bund Philatelistischer Prüfer
- American Philatelic Society
- United States Philatelic Classics Society
- Collectors Club of New York
- Fellow of the Royal Philatelic Society
- ArGe BELUX
- ArGe Besetzung 1. Weltkrieg
- ArGe Krone-Adler
- AIJP
Philatelic functions :
- President Cercle Philatélique Echternach
- President Deutsche-Französicher Briefmarkenclub Trier e.V.
- President ArGe BELUX
- Member of Jury for FSPL and BDPh
- BPP-Expert Luxembourg