|HULKENBERG, Ton |
3752 HC BUNSCHOTEN The Netherlands
|Member of the Dutch National Academy of Philately, member of the ‘Arbeitsgemeinschafte (Working groups) Dantzig, Eastern German Territories and Prussia’, member of the ‘Dantzig Study Group’ (U.S.A & U.K.), secretary of the Dutch society of German collectors and member of the Netherlands Philatelic Library (KNBF).|
Postal history of the territory of the Free State of Danzig (1920-1939).
The “Leon de Raay” 2003 and the “van Willigen” 2005 – medals.
Various articles in Dutch and international stamp magazines.
French, English, German, Dutch