1985, black bar over 'DAHOMEY', overprint 'POPULAIRE / DU BENIN'. New value '90 f' on Tyrannosaurus, 150 F Stegosaurus.
Issue date: 1-st of August.
The 1985 overprint on the Tyrannosaurus stamp exists in three types;
Type A: 'POPULAIRE' little longer than 'DU BENIN', '90 f' at upper right.
Type B: 'POPULAIRE' longer than 'DU BENIN', '90 f' at upper right.
Type C: 'POPULAIRE' longer than 'DU BENIN', '90 f' at lower right.
The type B overprint exists with the variety small 'f' in '90 f'.
1994, black bar over ' DU DAHOMEY', overprint 'DU BENIN' on Tyrannosaurus, overprint 'DU BENIN' and '200 F' on Stegosaurus.
Issue date: Unknown.
1996, black bar over 'DAHOMEY' and two lines over old value, overprint 'du Benin' and '135 F' on Rhamphorhynchus, Michel 873.
Issue date: Unknown.
2008, black bar over 'DAHOMEY', overprint 'BENIN' on Tyrannosaurus.
Issue date: Date unknown, December.
2009, black bar over 'DAHOMEY' and two lines over old value, overprint 'BENIN' and '1000 F' on Stegosaurus.
Issue date: Date unknown, April.
| C a t a l o g u e n u m b e r s | |||
 |
414-415 (1985), 610, 613 (1994), 873 (1996) 1538 (2008), 1631 (2009) |
 |
985-986 (1985), 1242 (1994) |
 |
353-354 (1985) |  |
C349-C350 (1985), C440 (1994), C548 (2008), C636 (2009) |
The Stegosaurus is ascribed to the Cretaceous, instead of the Jurassic.
