Martijn Snoek

Interim Managing Director



Hugo Brieffies

Deputy Director | Philatelic Expert


Cathelijne de Groot

Philatelic Expert


Gerard Vink

Philatelic Expert


Registered valuer Federatie TMV
Specializations: North and South America, China, Netherlands and former colonies, dot cancellations.

Henk Vleeming

Philatelic Expert

A.I.E.P. Expert for Netherlands and colonies (stamps, cancellations and Postal History), Indonesia till 1965. 
Specialization: Postal History.

Martin Bronkhorst

Philatelic Expert

Specializations: England and colonies, Netherlands and colonies, cancellations and varieties.

Peter Buis



Pieter le Clercq

Picture postcards Expert


Active for 30 years in the picture postcards business.