Definitive Issue - King Boudewijn- type Elström.
Date of issue: 24th of May 1971.
OBC/COB numbers: 15781-1587
Created by: Harry Elström / Charles Leclercqz
Perforation: 11 1/2
Size: 24mm x 21 mm
Composition of the sheets: 50
Printing Process: Steeldeepprint
Number of plates:
Printing Run: Fosphor Paper :1581- 9.605.900ex ; 1581A - 91.120.900ex ; 1582 - 19.372.950ex ; 1583 - 38.717.900ex ; 1584 - 74.005.150ex ; 1585 - 26.270.650ex ; 1586 - 11.725.550ex ; 1587 - 37.877.900ex ; Polyvalent paper ; 1582 - 41.182.100ex ; 1584 - 247.294.900ex ; 1585 34.631.550ex ; Epacar papier ; 1587 - 1.663.750ex
Paper: 1581/1587 - F ;1582P/1587P -P ; 1587PE- 1.663.750ex ( see paper Types )
Fosphor paper
1581 - 1F75 - Green - King Boudewijn - (29 III 71)
1581A - 3F50 - Brown - King Boudewijn - (10 VIII 71)
1582 - 7F - Vermillion - King Boudewijn - (23 VI 71)
1583 - 9F - Olive green - King Boudewijn - (6 IV 71)
1584 - 10F - Lila pink - King Boudewijn - (12 X 71) (15/12/71)
1585 - 15F - Violet - King Boudewijn - (9 IV 71)
1586 - 18F - Grey blue - King Boudewijn - (20 IV 71)
1587 - 20F - Violet blue - King Boudewijn - (16 XI 71)(15/12/71)
Polyvalent paper
1582P - 7F - Vermillion - King Boudewijn - (1 VII 76)
1584P - 10F - Lila pink - King Boudewijn - (10 VI 76)
1585P - 15F - Violet - King Boudewijn - (6 X 76)
1587P - 20F - Violet blue - King Boudewijn - (1 IX 76)
Epacar paper
1587PE - 20F - Violet blue - King Boudewijn - (-6.X.83)