|ADEMA, Kees RDP|
FAIRFIELD , CT 06824 USA
|Member of the Netherlands Academy of Philately.|
Member and Former President of the American Society Netherlands Philately.
Member and Former Governor of The Collectors Club of New York.
Postal history of the Netherlands.
FIP Large Gold Medal Awards – two FIP Championship Class exhibits.
Publications: The First Postage Dues – Holland’s ‘3S’ Markings 1667-1811;
Netherlands Mail in Times of Turmoil (trilogy); dozens of articles in various major philatelic publications
Golden Posthorn Internationale Postgeschichtliche Tage Sindelfingen (2000).
Court of Honor, Amphilex 2002, Amsterdam.
Professor van der Willigen Award for research (2003).
Prof. Dr. Carlrichard Brühl Medal (2003).
Honorary “Guardian of the Treasure” - Amsterdam Municipal Archive (2003).
Naposta, Hannover: Grand Prix Master Class (2005).
Edwin Koenig Award for book publication with most original research (2006).
Johannes de Kruyf Award (2008).
Lee Medal (2008).
Luff Award for philatelic research (2009).
“Earl of Crawford” Award (2012).
International Philatelic Literature Exhibition, Mainz: Grand Prix (2012).
“Costerus Knight” Award of Merit for scientific philatelic contributions (2013).
Lindenberg Medal (2013).
French, English, German, Dutch