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Date of issue: 7th of March 1970.
OBC/COB numbers: 1526-1527
Created by: Van Loock
Perforation: 11 1/2
Size:
Composition of the sheets: 30
Printing Process: Combined Screen and steeldeepprint
Number of plates: 1-2-3-4
Printing Run: 1526 - 10.500.000ex ; 1527 - 2.750.000ex
Paper: P3 ( see paper Types )
1526 - 3F50 - Quadrichromy - Beech
1527 - 7F - Quadrichromy - Birch