Belgium
1990 The 175th Anniversary of the Battle at Waterloo
1990 The 175th Anniversary of the Battle at Waterloo
1990 Stamp Exhibition “BELGICA 90” – Roses
1990 Stamp Exhibition “BELGICA 90” – Roses
1990 The 50th Anniversary of the “18 Days Campaign”
1990 The 50th Anniversary of the “18 Days Campaign”
1990 The 100th Anniversary of the 1. May Celebrations
1990 The 100th Anniversary of the 1. May Celebrations