World-day of Meteorology

OMM-WMO = Organization Meteorologique Mondiale-World Meteoroly Organization.

The World Meteorological Organization is an intergovernmental organization with a membership of 187 Member States and Territories. It originated from the International Meteorological Organization (IMO), which was founded in 1873. Established in 1950, WMO became the specialized agency of the United Nations for meteorology (weather and climate), operational hydrology and related geophysical sciences. 

This series of stamps and block depict a woman taken water from a hydraulic water-pump, “Journeé Meteorologique Mondiale”

Date of issue: 4 May 1964

Expiration date:

Design: Jean van Noten (1903-1982)

Printer: Hélio Courvoisier, s.a., La Chaux De Fonds, Switzerland

Paper with silk threads

Perforation: 11.5

Size: 32.5 x 22.5 mm

Sheet: 25

Marginal inscriptions:

Circulation: 50,000

No. 67. 3F, green

No. 68. 7F, pink

No. 69. 10F, yellow

The series:

The imperforated series is in size and coloring exact the same as above:

Remark: the white border around these stamps is much larger when cut from a side, top, bottom or corner of a sheet.

69A. 25F. Always from block BL1

Note: Not known to be used as stamp, although it is gummed

Block 1. Size of the whole block: 71.7 x 51 mm

There are no variations or curiosities known for none of the above shown material.