Belgium

1974 Young Philatelists

1974 Young Philatelists

1974 The 30th Anniversary of the BENELUX Union

1974 The 30th Anniversary of the BENELUX Union

1974 Historical Motives

1974 Historical Motives

1974 Youth Festival

1974 Youth Festival

1974 New Value

1974 New Value

1974 EUROPA Stamps – Sculptures

1974 EUROPA Stamps – Sculptures

1974 Day of the Stamp

1974 Day of the Stamp

1974 The 25th Anniversary of NATO

1974 The 25th Anniversary of NATO

1974 Culture Edition

1974 Culture Edition

1974 Protection of the Environment

1974 Protection of the Environment