FACITstamps - Webshop offering an extensive selection mint Sweden
Facit Förlags AB - Publisher of stamp catalogues for the Nordic countries
FFE Journal - Yearly book written by philatelic experts concerning fakes, forgeries and expertising
SFEx2020 in Helsinki, Finland, 28-29 March 2020
LONDON 2020, England, 2-9 May 2020
NORDIA 2020 in Malmö, Sweden, 4-6 September 2020
NYBORG 2020 in Nyborg, Denmark, 21-22 November 2020
IBRA 2021 in Essen, Germany, 6-9 May 2021
Federation of European Philatelic Associations (FEPA)
Fédération Internationale de Philatélie (FIP)
The International Association of Philatelic Experts (AIEP)
The International Federation of Stamp Dealers Associations (IFSDA)
The European Academy of Philately (AEP)
The Royal Philatelic Society London
Sveriges Frimärkshandlareförbund (Swedish Stamp Dealers Association)
Sveriges Filatelist Förbund (The Swedish Philatelic Society)
Malmö Filatelistförening
Danmarks Filatelist Forbund (The Danish Philatelic Federation)
Kjøbenhavns Philatelist Klub (Copenhagen Philatelic Club)
Frederiksberg Frimærke Forening
Norges Filatelist Forbund (The Norwegian Philatelic Society)
Föreningen Islandssamlarna
Islandsklubben i Göteborg
The Haiti Philatelic Society
Postmuseum in Stockholm
The National Postal Museum in Washington, D. C.
SAFE Album AB - Albums, catalogues and accessories
Collectia - Albums, catalogues and accessories
Martin Mörck - Stamp engraver, designer and artist