| Definitive issue - Portrait Leopold III - type 'open collar' nr 428 |
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Date of issue: 11th of Juny 1951.
OBC/COB numbers: 845-846
Perforation: 14 x 13 1/2
Size:
Composition of the sheets: 50
Printing Process: Screendeepprint
Number of plates:
Printing Run:
Paper:
845 - 1F20 - Sepia Brown - new type nr 428
846 - 2F50 - Orange Red - new type nr 428