Stamp Vietnam (1976) Pennant Coralfish (Heniochus acuminatus)

Stamp Vietnam (1976) Pennant Coralfish (Heniochus acuminatus) 

Face value: 50

Stamp Switzerland (1977) Oskar Bider & Bleriot monoplane

Stamp Switzerland (1977) Oskar Bider & Bleriot monoplane

Face value: 40

Stamp Romania (1975) Traianus' Column, Rome

Stamp Romania (1975) Traianus' Column, Rome

European Architectural Heritage Year

Face value: 1,20

Stamp Guinea Ecuatorial (1978) Greek merchant ship

Stamp Guinea Ecuatorial (1978) Greek merchant ship

Face value: 0,15

Stamp Mongolia (1980) Packard 1909

Stamp Mongolia (1980) Packard 1909

Face value: 60

Stamp Switzerland (1972) Alouette III - Turbine Helicopter

Stamp Switzerland (1972) Alouette III - Turbine Helicopter

Face value: 30