| 75th Anniversary of World Post Union U.P.U. |
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Date of issue: 1st of October 1949.
OBC/COB number: 812
Perforation: 11 1/2
Size:
Composition of the sheets: 25
Printing Process: Steeldeepprint
Number of plates: 1-2-3-4
Printing Run: 769.611ex
Paper:
812 - 4F - Blue