Classes:

Sat to Tues	Wed to Sat
2: Postal History	1: World Stamp Championship Class
5: Revenue	3: Traditional
6: Postal Stationery	4: Aerophilately
9: Open Philately	7: Thematic
11: Modern	8: Literature
12: Picture Postcards	13: Youth (part)
13: Youth (part)

 

10: One Frame are shown with their parent class