1951

Date - Title - OBC/COB Nr

15.02.1951 Definitive issue - Number on Heraldic Lion. 841
27.03.1951 UNESCO. 842-844
11.06.1951 Definitive issue - Portrait Leopold III-type 'open collar. 845-846
15.02.1951 Definitive issue - Portrait Leopold III-type 'Poortman. 847-848
01.05.1951 Definitive issue - Number on Heraldic Lion. 849-859
20.08.1951 Politic Prisoners. 860-862
22.09.1951 Medical Trust 'Queen Elisabeth'. 863-867
17.12.1951 Anti-TBC - Crusifix of Lotharingen - Castles. 868-875