900th Anniversary of Abbay of Orval. |
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Date of issue: 26th of July 1971.
OBC/COB number: 1592
Created by: Jean de Vos
Perforation: 11 1/2
Size: 24.5 x 35,4mm
Composition of the sheets: 30
Printing Process: Combined Steel and Screendeepprint
Number of plates: 1-2-3-4
Printing Run: 3.500.000ex
Paper: P3 ( see paper Types )
1592 - 2F50 - Abbay of Orval