Christchurch (New Zealand) – 1990
Rosenheim (Germany) – 1994
- Thematic Philately
London (United Kingdom) – 1998
- Thematic Philately
- Open Class
- Postal History
- Traditional philately
- Aerophilately
- Revenues
- One frame
Leek (the Netherlands) – 2002
- Thematic Philately
- Maximaphily
- One frame
Nørresundby (Denmark) – 2006
- Thematic Philately
- Postcards
- Youth
- Maximaphily
- One frame