Mexico 68 - 1968
Bl.65

Price: 2,00 EUR
Bl.65

Cities - 1971
2646/9

Price: 2,00 EUR
2646/9

Space - 1971
2654/7

Price: 2,00 EUR
2654/7

Durer - 1971
Bl.81

Price: 2,00 EUR
Bl.81

Post - 1972
2760/3

Price: 2,00 EUR
2760/3

PORTO - 1972
2813/4

Price: 2,00 EUR
2813/4

Heritage - 1973
2838/44

Price: 2,00 EUR
2838/44

Stamps on stamps - 1974
2956+81

Price: 2,00 EUR
2956+81

Personalities - 1975
3014/20

Price: 2,00 EUR
3014/20