| 20th Anniversary of NATO. |
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Date of issue: 31th of May 1969.
OBC/COB number: 1496
Created by: S.L Hartz (NL)
Perforation: 11 1/2
Size:
Composition of the sheets: 30
Printing Process: Screendeepprint
Number of plates: 1-2-3-4
Printing Run: 2.750.000ex
Paper: P3 ( see paper Types )
1496 - 6F - Quadrichromy - logo NATO