Rainbow on Stamps -Netherlands- FDC 1973

A set of Four stamps was issued by Netherlands on 31 Jul 1973 on various themes. One of the stamps has the rainbow colors. The themes were

35c -Satellite receiving station at Burum.

50c- RAINBOW STAMP -100th Anniversary World Meteorological Organisation

25c- 75th Anniversary Royal Hockey Union.

30c – World Championships in Rhythm Gymnastics.