United Nations - 1960
Bl.21

Price: 4,00 EUR
Bl.21

Heraldry - 1961
Bl.23/4

Price: 25,00 EUR
Bl.23/4

Organization - 1962
1009/13

Price: 6,00 EUR
1009/13

Flags - 1962
1019/20+Bl.26

Price: 6,00 EUR
1019/20+Bl.26

Colombia - 1965
1060

Price: 4,00 EUR
1060

Aviation - 1965
1065/7+70/2+86/9

Price: 15,00 EUR
1065/7+70/2+86/9

Colombia - 1966
1073/7

Price: 4,00 EUR
1073/7

Colombia - 1967
1098/102+Bl.27

Price: 22,00 EUR
1098/102+Bl.27

Orchids - 1967
1098/1102

Price: 8,00 EUR
1098/1102